Home / 22,108,463.60-30,509,742.96-12,817,839.20

Finding the Fourth Proportional to 22,108,463.60, 30,509,742.96 and 12,817,839.20

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Solution

The fourth proportional to 22,108,463.60, 30,509,742.96 and 12,817,839.20 is: 17,688,654.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,108,463.60 : 30,509,742.96 = 12,817,839.20 : x
  2. Step 2: Convert to fraction form
    22,108,463.60/30,509,742.96 = 12,817,839.20/x
  3. Step 3: Cross multiply
    22,108,463.60x = 30,509,742.96 × 12,817,839.20
  4. Step 4: Simplify right side
    22,108,463.60x = 391,068,979,294,612
  5. Step 5: Solve for x
    x = 391,068,979,294,612/22,108,463.60
  6. Step 6: Final answer
    x = 17,688,654.73

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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.