Home / 20,502,990.70-30,754,850.55-6,126,235.90

Finding the Fourth Proportional to 20,502,990.70, 30,754,850.55 and 6,126,235.90

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Solution

The fourth proportional to 20,502,990.70, 30,754,850.55 and 6,126,235.90 is: 9,189,462.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,502,990.70 : 30,754,850.55 = 6,126,235.90 : x
  2. Step 2: Convert to fraction form
    20,502,990.70/30,754,850.55 = 6,126,235.90/x
  3. Step 3: Cross multiply
    20,502,990.70x = 30,754,850.55 × 6,126,235.90
  4. Step 4: Simplify right side
    20,502,990.70x = 188,411,469,538,544.75
  5. Step 5: Solve for x
    x = 188,411,469,538,544.75/20,502,990.70
  6. Step 6: Final answer
    x = 9,189,462.76

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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.