Home / 20,732,572.60-31,098,858.90-15,424,156.60

Finding the Fourth Proportional to 20,732,572.60, 31,098,858.90 and 15,424,156.60

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Solution

The fourth proportional to 20,732,572.60, 31,098,858.90 and 15,424,156.60 is: 23,136,234.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,572.60 : 31,098,858.90 = 15,424,156.60 : x
  2. Step 2: Convert to fraction form
    20,732,572.60/31,098,858.90 = 15,424,156.60/x
  3. Step 3: Cross multiply
    20,732,572.60x = 31,098,858.90 × 15,424,156.60
  4. Step 4: Simplify right side
    20,732,572.60x = 479,673,669,754,903.69
  5. Step 5: Solve for x
    x = 479,673,669,754,903.69/20,732,572.60
  6. Step 6: Final answer
    x = 23,136,234.90

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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.