Home / 12,593,805.30-18,876,711.15-5,404,115.70

Finding the Fourth Proportional to 12,593,805.30, 18,876,711.15 and 5,404,115.70

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Solution

The fourth proportional to 12,593,805.30, 18,876,711.15 and 5,404,115.70 is: 8,100,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,593,805.30 : 18,876,711.15 = 5,404,115.70 : x
  2. Step 2: Convert to fraction form
    12,593,805.30/18,876,711.15 = 5,404,115.70/x
  3. Step 3: Cross multiply
    12,593,805.30x = 18,876,711.15 × 5,404,115.70
  4. Step 4: Simplify right side
    12,593,805.30x = 102,011,931,090,080.05
  5. Step 5: Solve for x
    x = 102,011,931,090,080.05/12,593,805.30
  6. Step 6: Final answer
    x = 8,100,167.40

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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.