Home / 20,101,737.05-30,155,968.76-15,783,613.07

Finding the Fourth Proportional to 20,101,737.05, 30,155,968.76 and 15,783,613.07

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Solution

The fourth proportional to 20,101,737.05, 30,155,968.76 and 15,783,613.07 is: 23,678,060.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,101,737.05 : 30,155,968.76 = 15,783,613.07 : x
  2. Step 2: Convert to fraction form
    20,101,737.05/30,155,968.76 = 15,783,613.07/x
  3. Step 3: Cross multiply
    20,101,737.05x = 30,155,968.76 × 15,783,613.07
  4. Step 4: Simplify right side
    20,101,737.05x = 475,970,142,429,149.75
  5. Step 5: Solve for x
    x = 475,970,142,429,149.75/20,101,737.05
  6. Step 6: Final answer
    x = 23,678,060.33

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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.