Home / 5,459,780.20-8,189,670.30-5,388,921.40

Finding the Fourth Proportional to 5,459,780.20, 8,189,670.30 and 5,388,921.40

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Solution

The fourth proportional to 5,459,780.20, 8,189,670.30 and 5,388,921.40 is: 8,083,382.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,459,780.20 : 8,189,670.30 = 5,388,921.40 : x
  2. Step 2: Convert to fraction form
    5,459,780.20/8,189,670.30 = 5,388,921.40/x
  3. Step 3: Cross multiply
    5,459,780.20x = 8,189,670.30 × 5,388,921.40
  4. Step 4: Simplify right side
    5,459,780.20x = 44,133,489,538,614.42
  5. Step 5: Solve for x
    x = 44,133,489,538,614.42/5,459,780.20
  6. Step 6: Final answer
    x = 8,083,382.10

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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.