Home / 10,109,910.30-15,164,865.45-6,708,687.90

Finding the Fourth Proportional to 10,109,910.30, 15,164,865.45 and 6,708,687.90

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Solution

The fourth proportional to 10,109,910.30, 15,164,865.45 and 6,708,687.90 is: 10,063,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,910.30 : 15,164,865.45 = 6,708,687.90 : x
  2. Step 2: Convert to fraction form
    10,109,910.30/15,164,865.45 = 6,708,687.90/x
  3. Step 3: Cross multiply
    10,109,910.30x = 15,164,865.45 × 6,708,687.90
  4. Step 4: Simplify right side
    10,109,910.30x = 101,736,349,349,543.06
  5. Step 5: Solve for x
    x = 101,736,349,349,543.06/10,109,910.30
  6. Step 6: Final answer
    x = 10,063,031.85

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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.