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Finding the Fourth Proportional to 16,642,507.60, 24,963,761.40 and 14,752,939.60

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Solution

The fourth proportional to 16,642,507.60, 24,963,761.40 and 14,752,939.60 is: 22,129,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,642,507.60 : 24,963,761.40 = 14,752,939.60 : x
  2. Step 2: Convert to fraction form
    16,642,507.60/24,963,761.40 = 14,752,939.60/x
  3. Step 3: Cross multiply
    16,642,507.60x = 24,963,761.40 × 14,752,939.60
  4. Step 4: Simplify right side
    16,642,507.60x = 368,288,864,123,011.44
  5. Step 5: Solve for x
    x = 368,288,864,123,011.44/16,642,507.60
  6. Step 6: Final answer
    x = 22,129,409.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.