Home / 8,785,709.76-13,187,086.56-4,239,957.60

Finding the Fourth Proportional to 8,785,709.76, 13,187,086.56 and 4,239,957.60

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Solution

The fourth proportional to 8,785,709.76, 13,187,086.56 and 4,239,957.60 is: 6,364,049.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,785,709.76 : 13,187,086.56 = 4,239,957.60 : x
  2. Step 2: Convert to fraction form
    8,785,709.76/13,187,086.56 = 4,239,957.60/x
  3. Step 3: Cross multiply
    8,785,709.76x = 13,187,086.56 × 4,239,957.60
  4. Step 4: Simplify right side
    8,785,709.76x = 55,912,687,881,929.85
  5. Step 5: Solve for x
    x = 55,912,687,881,929.85/8,785,709.76
  6. Step 6: Final answer
    x = 6,364,049.05

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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.