Home / 20,503,074.70-30,754,976.55-6,126,319.90

Finding the Fourth Proportional to 20,503,074.70, 30,754,976.55 and 6,126,319.90

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Solution

The fourth proportional to 20,503,074.70, 30,754,976.55 and 6,126,319.90 is: 9,189,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,503,074.70 : 30,754,976.55 = 6,126,319.90 : x
  2. Step 2: Convert to fraction form
    20,503,074.70/30,754,976.55 = 6,126,319.90/x
  3. Step 3: Cross multiply
    20,503,074.70x = 30,754,976.55 × 6,126,319.90
  4. Step 4: Simplify right side
    20,503,074.70x = 188,414,824,862,298.38
  5. Step 5: Solve for x
    x = 188,414,824,862,298.38/20,503,074.70
  6. Step 6: Final answer
    x = 9,189,588.76

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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.