Home / 21,508,728.30-32,263,092.45-21,359,429.10

Finding the Fourth Proportional to 21,508,728.30, 32,263,092.45 and 21,359,429.10

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Solution

The fourth proportional to 21,508,728.30, 32,263,092.45 and 21,359,429.10 is: 32,039,143.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,508,728.30 : 32,263,092.45 = 21,359,429.10 : x
  2. Step 2: Convert to fraction form
    21,508,728.30/32,263,092.45 = 21,359,429.10/x
  3. Step 3: Cross multiply
    21,508,728.30x = 32,263,092.45 × 21,359,429.10
  4. Step 4: Simplify right side
    21,508,728.30x = 689,121,235,732,520.38
  5. Step 5: Solve for x
    x = 689,121,235,732,520.38/21,508,728.30
  6. Step 6: Final answer
    x = 32,039,143.65

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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.