Home / 20,732,601.80-31,098,902.70-20,413,737.20

Finding the Fourth Proportional to 20,732,601.80, 31,098,902.70 and 20,413,737.20

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Solution

The fourth proportional to 20,732,601.80, 31,098,902.70 and 20,413,737.20 is: 30,620,605.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,732,601.80 : 31,098,902.70 = 20,413,737.20 : x
  2. Step 2: Convert to fraction form
    20,732,601.80/31,098,902.70 = 20,413,737.20/x
  3. Step 3: Cross multiply
    20,732,601.80x = 31,098,902.70 × 20,413,737.20
  4. Step 4: Simplify right side
    20,732,601.80x = 634,844,826,926,170.38
  5. Step 5: Solve for x
    x = 634,844,826,926,170.38/20,732,601.80
  6. Step 6: Final answer
    x = 30,620,605.80

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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.