Home / 20,661,136.01-30,982,127.13-7,703,807.63

Finding the Fourth Proportional to 20,661,136.01, 30,982,127.13 and 7,703,807.63

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Solution

The fourth proportional to 20,661,136.01, 30,982,127.13 and 7,703,807.63 is: 11,552,140.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,661,136.01 : 30,982,127.13 = 7,703,807.63 : x
  2. Step 2: Convert to fraction form
    20,661,136.01/30,982,127.13 = 7,703,807.63/x
  3. Step 3: Cross multiply
    20,661,136.01x = 30,982,127.13 × 7,703,807.63
  4. Step 4: Simplify right side
    20,661,136.01x = 238,680,347,377,724
  5. Step 5: Solve for x
    x = 238,680,347,377,724/20,661,136.01
  6. Step 6: Final answer
    x = 11,552,140.56

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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.