Home / 8,857,716.80-13,286,575.20-5,666,446.40

Finding the Fourth Proportional to 8,857,716.80, 13,286,575.20 and 5,666,446.40

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Solution

The fourth proportional to 8,857,716.80, 13,286,575.20 and 5,666,446.40 is: 8,499,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,716.80 : 13,286,575.20 = 5,666,446.40 : x
  2. Step 2: Convert to fraction form
    8,857,716.80/13,286,575.20 = 5,666,446.40/x
  3. Step 3: Cross multiply
    8,857,716.80x = 13,286,575.20 × 5,666,446.40
  4. Step 4: Simplify right side
    8,857,716.80x = 75,287,666,210,369.28
  5. Step 5: Solve for x
    x = 75,287,666,210,369.28/8,857,716.80
  6. Step 6: Final answer
    x = 8,499,669.60

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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.