Home / 40,582,469.28-56,002,306.68-21,997,210.38

Finding the Fourth Proportional to 40,582,469.28, 56,002,306.68 and 21,997,210.38

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Solution

The fourth proportional to 40,582,469.28, 56,002,306.68 and 21,997,210.38 is: 30,355,336.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,582,469.28 : 56,002,306.68 = 21,997,210.38 : x
  2. Step 2: Convert to fraction form
    40,582,469.28/56,002,306.68 = 21,997,210.38/x
  3. Step 3: Cross multiply
    40,582,469.28x = 56,002,306.68 × 21,997,210.38
  4. Step 4: Simplify right side
    40,582,469.28x = 1,231,894,521,805,239.25
  5. Step 5: Solve for x
    x = 1,231,894,521,805,239.25/40,582,469.28
  6. Step 6: Final answer
    x = 30,355,336.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.