Home / 10,086,543.53-15,129,763.30-3,939,148.97

Finding the Fourth Proportional to 10,086,543.53, 15,129,763.30 and 3,939,148.97

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Solution

The fourth proportional to 10,086,543.53, 15,129,763.30 and 3,939,148.97 is: 5,908,703.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086,543.53 : 15,129,763.30 = 3,939,148.97 : x
  2. Step 2: Convert to fraction form
    10,086,543.53/15,129,763.30 = 3,939,148.97/x
  3. Step 3: Cross multiply
    10,086,543.53x = 15,129,763.30 × 3,939,148.97
  4. Step 4: Simplify right side
    10,086,543.53x = 59,598,391,505,550.53
  5. Step 5: Solve for x
    x = 59,598,391,505,550.53/10,086,543.53
  6. Step 6: Final answer
    x = 5,908,703.15

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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.