Home / 8,126,393.56-11,215,565.50-5,029,910.12

Finding the Fourth Proportional to 8,126,393.56, 11,215,565.50 and 5,029,910.12

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Solution

The fourth proportional to 8,126,393.56, 11,215,565.50 and 5,029,910.12 is: 6,941,983.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,126,393.56 : 11,215,565.50 = 5,029,910.12 : x
  2. Step 2: Convert to fraction form
    8,126,393.56/11,215,565.50 = 5,029,910.12/x
  3. Step 3: Cross multiply
    8,126,393.56x = 11,215,565.50 × 5,029,910.12
  4. Step 4: Simplify right side
    8,126,393.56x = 56,413,286,409,972.86
  5. Step 5: Solve for x
    x = 56,413,286,409,972.86/8,126,393.56
  6. Step 6: Final answer
    x = 6,941,983.06

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.