Home / 20,711,577.76-31,067,339.76-5,565,509.60

Finding the Fourth Proportional to 20,711,577.76, 31,067,339.76 and 5,565,509.60

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Solution

The fourth proportional to 20,711,577.76, 31,067,339.76 and 5,565,509.60 is: 8,348,257.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,711,577.76 : 31,067,339.76 = 5,565,509.60 : x
  2. Step 2: Convert to fraction form
    20,711,577.76/31,067,339.76 = 5,565,509.60/x
  3. Step 3: Cross multiply
    20,711,577.76x = 31,067,339.76 × 5,565,509.60
  4. Step 4: Simplify right side
    20,711,577.76x = 172,905,577,680,741.69
  5. Step 5: Solve for x
    x = 172,905,577,680,741.69/20,711,577.76
  6. Step 6: Final answer
    x = 8,348,257.18

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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.