Home / 9,018,016.80-13,527,025.20-8,486,575.80

Finding the Fourth Proportional to 9,018,016.80, 13,527,025.20 and 8,486,575.80

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Solution

The fourth proportional to 9,018,016.80, 13,527,025.20 and 8,486,575.80 is: 12,729,863.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,018,016.80 : 13,527,025.20 = 8,486,575.80 : x
  2. Step 2: Convert to fraction form
    9,018,016.80/13,527,025.20 = 8,486,575.80/x
  3. Step 3: Cross multiply
    9,018,016.80x = 13,527,025.20 × 8,486,575.80
  4. Step 4: Simplify right side
    9,018,016.80x = 114,798,124,708,310.16
  5. Step 5: Solve for x
    x = 114,798,124,708,310.16/9,018,016.80
  6. Step 6: Final answer
    x = 12,729,863.70

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Double scale
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Similar ratio
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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.