Home / 8,131,346.76-12,180,757.04-4,891,095.76

Finding the Fourth Proportional to 8,131,346.76, 12,180,757.04 and 4,891,095.76

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Solution

The fourth proportional to 8,131,346.76, 12,180,757.04 and 4,891,095.76 is: 7,326,861.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,131,346.76 : 12,180,757.04 = 4,891,095.76 : x
  2. Step 2: Convert to fraction form
    8,131,346.76/12,180,757.04 = 4,891,095.76/x
  3. Step 3: Cross multiply
    8,131,346.76x = 12,180,757.04 × 4,891,095.76
  4. Step 4: Simplify right side
    8,131,346.76x = 59,577,249,111,934.14
  5. Step 5: Solve for x
    x = 59,577,249,111,934.14/8,131,346.76
  6. Step 6: Final answer
    x = 7,326,861.20

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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.