Home / 8,857,714.80-13,286,572.20-5,666,444.40

Finding the Fourth Proportional to 8,857,714.80, 13,286,572.20 and 5,666,444.40

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Solution

The fourth proportional to 8,857,714.80, 13,286,572.20 and 5,666,444.40 is: 8,499,666.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,714.80 : 13,286,572.20 = 5,666,444.40 : x
  2. Step 2: Convert to fraction form
    8,857,714.80/13,286,572.20 = 5,666,444.40/x
  3. Step 3: Cross multiply
    8,857,714.80x = 13,286,572.20 × 5,666,444.40
  4. Step 4: Simplify right side
    8,857,714.80x = 75,287,622,637,885.69
  5. Step 5: Solve for x
    x = 75,287,622,637,885.69/8,857,714.80
  6. Step 6: Final answer
    x = 8,499,666.60

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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.