Home / 15,224,362.63-21,010,033.55-8,609,940.20

Finding the Fourth Proportional to 15,224,362.63, 21,010,033.55 and 8,609,940.20

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Solution

The fourth proportional to 15,224,362.63, 21,010,033.55 and 8,609,940.20 is: 11,881,951.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,224,362.63 : 21,010,033.55 = 8,609,940.20 : x
  2. Step 2: Convert to fraction form
    15,224,362.63/21,010,033.55 = 8,609,940.20/x
  3. Step 3: Cross multiply
    15,224,362.63x = 21,010,033.55 × 8,609,940.20
  4. Step 4: Simplify right side
    15,224,362.63x = 180,895,132,422,444
  5. Step 5: Solve for x
    x = 180,895,132,422,444/15,224,362.63
  6. Step 6: Final answer
    x = 11,881,951.11

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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.