Home / 13,453,886.56-18,566,967.14-7,575,542.20

Finding the Fourth Proportional to 13,453,886.56, 18,566,967.14 and 7,575,542.20

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Solution

The fourth proportional to 13,453,886.56, 18,566,967.14 and 7,575,542.20 is: 10,454,588.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,453,886.56 : 18,566,967.14 = 7,575,542.20 : x
  2. Step 2: Convert to fraction form
    13,453,886.56/18,566,967.14 = 7,575,542.20/x
  3. Step 3: Cross multiply
    13,453,886.56x = 18,566,967.14 × 7,575,542.20
  4. Step 4: Simplify right side
    13,453,886.56x = 140,654,843,095,083.31
  5. Step 5: Solve for x
    x = 140,654,843,095,083.31/13,453,886.56
  6. Step 6: Final answer
    x = 10,454,588.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.