Home / 18,802,997.71-25,938,587.14-12,280,445.17

Finding the Fourth Proportional to 18,802,997.71, 25,938,587.14 and 12,280,445.17

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Solution

The fourth proportional to 18,802,997.71, 25,938,587.14 and 12,280,445.17 is: 16,940,777.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802,997.71 : 25,938,587.14 = 12,280,445.17 : x
  2. Step 2: Convert to fraction form
    18,802,997.71/25,938,587.14 = 12,280,445.17/x
  3. Step 3: Cross multiply
    18,802,997.71x = 25,938,587.14 × 12,280,445.17
  4. Step 4: Simplify right side
    18,802,997.71x = 318,537,397,160,037.12
  5. Step 5: Solve for x
    x = 318,537,397,160,037.12/18,802,997.71
  6. Step 6: Final answer
    x = 16,940,777.32

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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.