Home / 8,711,139.20-13,065,857.39-2,645,923.60

Finding the Fourth Proportional to 8,711,139.20, 13,065,857.39 and 2,645,923.60

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Solution

The fourth proportional to 8,711,139.20, 13,065,857.39 and 2,645,923.60 is: 3,968,626.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711,139.20 : 13,065,857.39 = 2,645,923.60 : x
  2. Step 2: Convert to fraction form
    8,711,139.20/13,065,857.39 = 2,645,923.60/x
  3. Step 3: Cross multiply
    8,711,139.20x = 13,065,857.39 × 2,645,923.60
  4. Step 4: Simplify right side
    8,711,139.20x = 34,571,260,396,385.57
  5. Step 5: Solve for x
    x = 34,571,260,396,385.57/8,711,139.20
  6. Step 6: Final answer
    x = 3,968,626.79

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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.