Home / 40,332,189.60-60,498,284.40-13,410,000.80

Finding the Fourth Proportional to 40,332,189.60, 60,498,284.40 and 13,410,000.80

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Solution

The fourth proportional to 40,332,189.60, 60,498,284.40 and 13,410,000.80 is: 20,115,001.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,332,189.60 : 60,498,284.40 = 13,410,000.80 : x
  2. Step 2: Convert to fraction form
    40,332,189.60/60,498,284.40 = 13,410,000.80/x
  3. Step 3: Cross multiply
    40,332,189.60x = 60,498,284.40 × 13,410,000.80
  4. Step 4: Simplify right side
    40,332,189.60x = 811,282,042,202,627.50
  5. Step 5: Solve for x
    x = 811,282,042,202,627.50/40,332,189.60
  6. Step 6: Final answer
    x = 20,115,001.20

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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.