Home / 9,341,819.91-12,891,719.51-5,211,851.70

Finding the Fourth Proportional to 9,341,819.91, 12,891,719.51 and 5,211,851.70

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Solution

The fourth proportional to 9,341,819.91, 12,891,719.51 and 5,211,851.70 is: 7,192,359.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,341,819.91 : 12,891,719.51 = 5,211,851.70 : x
  2. Step 2: Convert to fraction form
    9,341,819.91/12,891,719.51 = 5,211,851.70/x
  3. Step 3: Cross multiply
    9,341,819.91x = 12,891,719.51 × 5,211,851.70
  4. Step 4: Simplify right side
    9,341,819.91x = 67,189,730,244,116.67
  5. Step 5: Solve for x
    x = 67,189,730,244,116.67/9,341,819.91
  6. Step 6: Final answer
    x = 7,192,359.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.