Home / 8,857,687.80-13,286,531.70-5,666,417.40

Finding the Fourth Proportional to 8,857,687.80, 13,286,531.70 and 5,666,417.40

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Solution

The fourth proportional to 8,857,687.80, 13,286,531.70 and 5,666,417.40 is: 8,499,626.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,687.80 : 13,286,531.70 = 5,666,417.40 : x
  2. Step 2: Convert to fraction form
    8,857,687.80/13,286,531.70 = 5,666,417.40/x
  3. Step 3: Cross multiply
    8,857,687.80x = 13,286,531.70 × 5,666,417.40
  4. Step 4: Simplify right side
    8,857,687.80x = 75,287,034,410,531.58
  5. Step 5: Solve for x
    x = 75,287,034,410,531.58/8,857,687.80
  6. Step 6: Final answer
    x = 8,499,626.10

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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.