Home / 20,101,564.80-29,925,006.40-19,981,990.24

Finding the Fourth Proportional to 20,101,564.80, 29,925,006.40 and 19,981,990.24

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Solution

The fourth proportional to 20,101,564.80, 29,925,006.40 and 19,981,990.24 is: 29,746,996.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101,564.80 : 29,925,006.40 = 19,981,990.24 : x
  2. Step 2: Convert to fraction form
    20,101,564.80/29,925,006.40 = 19,981,990.24/x
  3. Step 3: Cross multiply
    20,101,564.80x = 29,925,006.40 × 19,981,990.24
  4. Step 4: Simplify right side
    20,101,564.80x = 597,961,185,816,737.50
  5. Step 5: Solve for x
    x = 597,961,185,816,737.50/20,101,564.80
  6. Step 6: Final answer
    x = 29,746,996.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.