Home / 7,148,074.68-9,864,331.20-3,884,879.52

Finding the Fourth Proportional to 7,148,074.68, 9,864,331.20 and 3,884,879.52

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Solution

The fourth proportional to 7,148,074.68, 9,864,331.20 and 3,884,879.52 is: 5,361,127.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,148,074.68 : 9,864,331.20 = 3,884,879.52 : x
  2. Step 2: Convert to fraction form
    7,148,074.68/9,864,331.20 = 3,884,879.52/x
  3. Step 3: Cross multiply
    7,148,074.68x = 9,864,331.20 × 3,884,879.52
  4. Step 4: Simplify right side
    7,148,074.68x = 38,321,738,257,377.02
  5. Step 5: Solve for x
    x = 38,321,738,257,377.02/7,148,074.68
  6. Step 6: Final answer
    x = 5,361,127.29

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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.