Home / 15,656,385.72-21,596,636.46-9,845,951.16

Finding the Fourth Proportional to 15,656,385.72, 21,596,636.46 and 9,845,951.16

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Solution

The fourth proportional to 15,656,385.72, 21,596,636.46 and 9,845,951.16 is: 13,581,642.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656,385.72 : 21,596,636.46 = 9,845,951.16 : x
  2. Step 2: Convert to fraction form
    15,656,385.72/21,596,636.46 = 9,845,951.16/x
  3. Step 3: Cross multiply
    15,656,385.72x = 21,596,636.46 × 9,845,951.16
  4. Step 4: Simplify right side
    15,656,385.72x = 212,639,427,805,435.31
  5. Step 5: Solve for x
    x = 212,639,427,805,435.31/15,656,385.72
  6. Step 6: Final answer
    x = 13,581,642.12

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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.