Home / 8,782,069.30-12,120,523.31-5,060,187.48

Finding the Fourth Proportional to 8,782,069.30, 12,120,523.31 and 5,060,187.48

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Solution

The fourth proportional to 8,782,069.30, 12,120,523.31 and 5,060,187.48 is: 6,983,789.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782,069.30 : 12,120,523.31 = 5,060,187.48 : x
  2. Step 2: Convert to fraction form
    8,782,069.30/12,120,523.31 = 5,060,187.48/x
  3. Step 3: Cross multiply
    8,782,069.30x = 12,120,523.31 × 5,060,187.48
  4. Step 4: Simplify right side
    8,782,069.30x = 61,332,120,347,076.05
  5. Step 5: Solve for x
    x = 61,332,120,347,076.05/8,782,069.30
  6. Step 6: Final answer
    x = 6,983,789.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.