Home / 7,267,190.40-10,900,785.60-3,478,723.20

Finding the Fourth Proportional to 7,267,190.40, 10,900,785.60 and 3,478,723.20

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Solution

The fourth proportional to 7,267,190.40, 10,900,785.60 and 3,478,723.20 is: 5,218,084.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,267,190.40 : 10,900,785.60 = 3,478,723.20 : x
  2. Step 2: Convert to fraction form
    7,267,190.40/10,900,785.60 = 3,478,723.20/x
  3. Step 3: Cross multiply
    7,267,190.40x = 10,900,785.60 × 3,478,723.20
  4. Step 4: Simplify right side
    7,267,190.40x = 37,920,815,764,945.92
  5. Step 5: Solve for x
    x = 37,920,815,764,945.92/7,267,190.40
  6. Step 6: Final answer
    x = 5,218,084.80

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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.