Home / 7,412,978.70-11,126,658.24-3,577,500.36

Finding the Fourth Proportional to 7,412,978.70, 11,126,658.24 and 3,577,500.36

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Solution

The fourth proportional to 7,412,978.70, 11,126,658.24 and 3,577,500.36 is: 5,369,720.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,412,978.70 : 11,126,658.24 = 3,577,500.36 : x
  2. Step 2: Convert to fraction form
    7,412,978.70/11,126,658.24 = 3,577,500.36/x
  3. Step 3: Cross multiply
    7,412,978.70x = 11,126,658.24 × 3,577,500.36
  4. Step 4: Simplify right side
    7,412,978.70x = 39,805,623,859,196.97
  5. Step 5: Solve for x
    x = 39,805,623,859,196.97/7,412,978.70
  6. Step 6: Final answer
    x = 5,369,720.52

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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.