Home / 22,553,138.31-31,123,347.03-12,239,861.40

Finding the Fourth Proportional to 22,553,138.31, 31,123,347.03 and 12,239,861.40

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Solution

The fourth proportional to 22,553,138.31, 31,123,347.03 and 12,239,861.40 is: 16,891,017.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,553,138.31 : 31,123,347.03 = 12,239,861.40 : x
  2. Step 2: Convert to fraction form
    22,553,138.31/31,123,347.03 = 12,239,861.40/x
  3. Step 3: Cross multiply
    22,553,138.31x = 31,123,347.03 × 12,239,861.40
  4. Step 4: Simplify right side
    22,553,138.31x = 380,945,453,951,301.69
  5. Step 5: Solve for x
    x = 380,945,453,951,301.69/22,553,138.31
  6. Step 6: Final answer
    x = 16,891,017.50

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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.