Home / 18,476,471.28-27,712,925.73-5,693,543.76

Finding the Fourth Proportional to 18,476,471.28, 27,712,925.73 and 5,693,543.76

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Solution

The fourth proportional to 18,476,471.28, 27,712,925.73 and 5,693,543.76 is: 8,539,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,476,471.28 : 27,712,925.73 = 5,693,543.76 : x
  2. Step 2: Convert to fraction form
    18,476,471.28/27,712,925.73 = 5,693,543.76/x
  3. Step 3: Cross multiply
    18,476,471.28x = 27,712,925.73 × 5,693,543.76
  4. Step 4: Simplify right side
    18,476,471.28x = 157,784,755,465,308.41
  5. Step 5: Solve for x
    x = 157,784,755,465,308.41/18,476,471.28
  6. Step 6: Final answer
    x = 8,539,766.77

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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.