Home / 8,314,814.28-11,482,367.64-7,861,957.92

Finding the Fourth Proportional to 8,314,814.28, 11,482,367.64 and 7,861,957.92

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Solution

The fourth proportional to 8,314,814.28, 11,482,367.64 and 7,861,957.92 is: 10,856,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,314,814.28 : 11,482,367.64 = 7,861,957.92 : x
  2. Step 2: Convert to fraction form
    8,314,814.28/11,482,367.64 = 7,861,957.92/x
  3. Step 3: Cross multiply
    8,314,814.28x = 11,482,367.64 × 7,861,957.92
  4. Step 4: Simplify right side
    8,314,814.28x = 90,273,891,207,649.72
  5. Step 5: Solve for x
    x = 90,273,891,207,649.72/8,314,814.28
  6. Step 6: Final answer
    x = 10,856,994.30

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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.