Home / 8,016,087.60-12,024,131.40-5,478,001.20

Finding the Fourth Proportional to 8,016,087.60, 12,024,131.40 and 5,478,001.20

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Solution

The fourth proportional to 8,016,087.60, 12,024,131.40 and 5,478,001.20 is: 8,217,001.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,016,087.60 : 12,024,131.40 = 5,478,001.20 : x
  2. Step 2: Convert to fraction form
    8,016,087.60/12,024,131.40 = 5,478,001.20/x
  3. Step 3: Cross multiply
    8,016,087.60x = 12,024,131.40 × 5,478,001.20
  4. Step 4: Simplify right side
    8,016,087.60x = 65,868,206,238,157.69
  5. Step 5: Solve for x
    x = 65,868,206,238,157.69/8,016,087.60
  6. Step 6: Final answer
    x = 8,217,001.80

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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.