Home / 5,459,473.20-8,189,209.80-5,388,614.40

Finding the Fourth Proportional to 5,459,473.20, 8,189,209.80 and 5,388,614.40

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Solution

The fourth proportional to 5,459,473.20, 8,189,209.80 and 5,388,614.40 is: 8,082,921.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459,473.20 : 8,189,209.80 = 5,388,614.40 : x
  2. Step 2: Convert to fraction form
    5,459,473.20/8,189,209.80 = 5,388,614.40/x
  3. Step 3: Cross multiply
    5,459,473.20x = 8,189,209.80 × 5,388,614.40
  4. Step 4: Simplify right side
    5,459,473.20x = 44,128,493,852,901.12
  5. Step 5: Solve for x
    x = 44,128,493,852,901.12/5,459,473.20
  6. Step 6: Final answer
    x = 8,082,921.60

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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.