Home / 7,151,765.20-9,869,163.88-3,888,582.59

Finding the Fourth Proportional to 7,151,765.20, 9,869,163.88 and 3,888,582.59

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Solution

The fourth proportional to 7,151,765.20, 9,869,163.88 and 3,888,582.59 is: 5,366,096.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151,765.20 : 9,869,163.88 = 3,888,582.59 : x
  2. Step 2: Convert to fraction form
    7,151,765.20/9,869,163.88 = 3,888,582.59/x
  3. Step 3: Cross multiply
    7,151,765.20x = 9,869,163.88 × 3,888,582.59
  4. Step 4: Simplify right side
    7,151,765.20x = 38,377,058,863,867.39
  5. Step 5: Solve for x
    x = 38,377,058,863,867.39/7,151,765.20
  6. Step 6: Final answer
    x = 5,366,096.03

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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.