Home / 10,531,906.30-15,797,859.45-7,340,635.90

Finding the Fourth Proportional to 10,531,906.30, 15,797,859.45 and 7,340,635.90

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Solution

The fourth proportional to 10,531,906.30, 15,797,859.45 and 7,340,635.90 is: 11,010,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,531,906.30 : 15,797,859.45 = 7,340,635.90 : x
  2. Step 2: Convert to fraction form
    10,531,906.30/15,797,859.45 = 7,340,635.90/x
  3. Step 3: Cross multiply
    10,531,906.30x = 15,797,859.45 × 7,340,635.90
  4. Step 4: Simplify right side
    10,531,906.30x = 115,966,334,221,824.25
  5. Step 5: Solve for x
    x = 115,966,334,221,824.25/10,531,906.30
  6. Step 6: Final answer
    x = 11,010,953.85

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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.