Home / 8,126,499.60-12,189,853.08-5,601,476.88

Finding the Fourth Proportional to 8,126,499.60, 12,189,853.08 and 5,601,476.88

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Solution

The fourth proportional to 8,126,499.60, 12,189,853.08 and 5,601,476.88 is: 8,402,286.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126,499.60 : 12,189,853.08 = 5,601,476.88 : x
  2. Step 2: Convert to fraction form
    8,126,499.60/12,189,853.08 = 5,601,476.88/x
  3. Step 3: Cross multiply
    8,126,499.60x = 12,189,853.08 × 5,601,476.88
  4. Step 4: Simplify right side
    8,126,499.60x = 68,281,180,198,216.79
  5. Step 5: Solve for x
    x = 68,281,180,198,216.79/8,126,499.60
  6. Step 6: Final answer
    x = 8,402,286.79

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1.5x scale

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.