Home / 15,742,616,247.52-21,609,170,180.69-13,918,511,445.16

Finding the Fourth Proportional to 15,742,616,247.52, 21,609,170,180.69 and 13,918,511,445.16

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Solution

The fourth proportional to 15,742,616,247.52, 21,609,170,180.69 and 13,918,511,445.16 is: 19,105,304,845.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,742,616,247.52 : 21,609,170,180.69 = 13,918,511,445.16 : x
  2. Step 2: Convert to fraction form
    15,742,616,247.52/21,609,170,180.69 = 13,918,511,445.16/x
  3. Step 3: Cross multiply
    15,742,616,247.52x = 21,609,170,180.69 × 13,918,511,445.16
  4. Step 4: Simplify right side
    15,742,616,247.52x = 300,767,482,480,343,908,352
  5. Step 5: Solve for x
    x = 300,767,482,480,343,908,352/15,742,616,247.52
  6. Step 6: Final answer
    x = 19,105,304,845.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.