Home / 10,411,824.78-15,597,398.07-7,172,790.30

Finding the Fourth Proportional to 10,411,824.78, 15,597,398.07 and 7,172,790.30

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Solution

The fourth proportional to 10,411,824.78, 15,597,398.07 and 7,172,790.30 is: 10,745,173.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,411,824.78 : 15,597,398.07 = 7,172,790.30 : x
  2. Step 2: Convert to fraction form
    10,411,824.78/15,597,398.07 = 7,172,790.30/x
  3. Step 3: Cross multiply
    10,411,824.78x = 15,597,398.07 × 7,172,790.30
  4. Step 4: Simplify right side
    10,411,824.78x = 111,876,865,581,734.72
  5. Step 5: Solve for x
    x = 111,876,865,581,734.72/10,411,824.78
  6. Step 6: Final answer
    x = 10,745,173.68

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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.