Home / 12,687,307.92-17,500,519.26-7,527,015

Finding the Fourth Proportional to 12,687,307.92, 17,500,519.26 and 7,527,015

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Solution

The fourth proportional to 12,687,307.92, 17,500,519.26 and 7,527,015 is: 10,382,554.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,687,307.92 : 17,500,519.26 = 7,527,015 : x
  2. Step 2: Convert to fraction form
    12,687,307.92/17,500,519.26 = 7,527,015/x
  3. Step 3: Cross multiply
    12,687,307.92x = 17,500,519.26 × 7,527,015
  4. Step 4: Simplify right side
    12,687,307.92x = 131,726,670,977,808.91
  5. Step 5: Solve for x
    x = 131,726,670,977,808.91/12,687,307.92
  6. Step 6: Final answer
    x = 10,382,554.90

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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.