Home / 9,317,479.80-12,857,000.94-5,186,517.24

Finding the Fourth Proportional to 9,317,479.80, 12,857,000.94 and 5,186,517.24

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Solution

The fourth proportional to 9,317,479.80, 12,857,000.94 and 5,186,517.24 is: 7,156,769.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,317,479.80 : 12,857,000.94 = 5,186,517.24 : x
  2. Step 2: Convert to fraction form
    9,317,479.80/12,857,000.94 = 5,186,517.24/x
  3. Step 3: Cross multiply
    9,317,479.80x = 12,857,000.94 × 5,186,517.24
  4. Step 4: Simplify right side
    9,317,479.80x = 66,683,057,030,006.20
  5. Step 5: Solve for x
    x = 66,683,057,030,006.20/9,317,479.80
  6. Step 6: Final answer
    x = 7,156,769.69

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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.