Home / 7,083,465.60-9,772,729.20-3,985,489.92

Finding the Fourth Proportional to 7,083,465.60, 9,772,729.20 and 3,985,489.92

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Solution

The fourth proportional to 7,083,465.60, 9,772,729.20 and 3,985,489.92 is: 5,498,595.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,083,465.60 : 9,772,729.20 = 3,985,489.92 : x
  2. Step 2: Convert to fraction form
    7,083,465.60/9,772,729.20 = 3,985,489.92/x
  3. Step 3: Cross multiply
    7,083,465.60x = 9,772,729.20 × 3,985,489.92
  4. Step 4: Simplify right side
    7,083,465.60x = 38,949,113,717,489.66
  5. Step 5: Solve for x
    x = 38,949,113,717,489.66/7,083,465.60
  6. Step 6: Final answer
    x = 5,498,595.73

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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.