Home / 22,145,931.10-33,218,896.65-20,728,755.10

Finding the Fourth Proportional to 22,145,931.10, 33,218,896.65 and 20,728,755.10

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Solution

The fourth proportional to 22,145,931.10, 33,218,896.65 and 20,728,755.10 is: 31,093,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,145,931.10 : 33,218,896.65 = 20,728,755.10 : x
  2. Step 2: Convert to fraction form
    22,145,931.10/33,218,896.65 = 20,728,755.10/x
  3. Step 3: Cross multiply
    22,145,931.10x = 33,218,896.65 × 20,728,755.10
  4. Step 4: Simplify right side
    22,145,931.10x = 688,586,373,350,060.38
  5. Step 5: Solve for x
    x = 688,586,373,350,060.38/22,145,931.10
  6. Step 6: Final answer
    x = 31,093,132.65

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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.