Home / 21,426,469.92-32,131,480.14-9,122,632.29

Finding the Fourth Proportional to 21,426,469.92, 32,131,480.14 and 9,122,632.29

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Solution

The fourth proportional to 21,426,469.92, 32,131,480.14 and 9,122,632.29 is: 13,680,446.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,426,469.92 : 32,131,480.14 = 9,122,632.29 : x
  2. Step 2: Convert to fraction form
    21,426,469.92/32,131,480.14 = 9,122,632.29/x
  3. Step 3: Cross multiply
    21,426,469.92x = 32,131,480.14 × 9,122,632.29
  4. Step 4: Simplify right side
    21,426,469.92x = 293,123,678,250,657.69
  5. Step 5: Solve for x
    x = 293,123,678,250,657.69/21,426,469.92
  6. Step 6: Final answer
    x = 13,680,446.63

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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.