Home / 28,359,382.88-42,541,719.76-21,976,797.76

Finding the Fourth Proportional to 28,359,382.88, 42,541,719.76 and 21,976,797.76

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Solution

The fourth proportional to 28,359,382.88, 42,541,719.76 and 21,976,797.76 is: 32,967,246.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359,382.88 : 42,541,719.76 = 21,976,797.76 : x
  2. Step 2: Convert to fraction form
    28,359,382.88/42,541,719.76 = 21,976,797.76/x
  3. Step 3: Cross multiply
    28,359,382.88x = 42,541,719.76 × 21,976,797.76
  4. Step 4: Simplify right side
    28,359,382.88x = 934,930,771,528,115.75
  5. Step 5: Solve for x
    x = 934,930,771,528,115.75/28,359,382.88
  6. Step 6: Final answer
    x = 32,967,246.70

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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.