Home / 20,726,402.20-31,080,272.10-9,361,000.60

Finding the Fourth Proportional to 20,726,402.20, 31,080,272.10 and 9,361,000.60

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Solution

The fourth proportional to 20,726,402.20, 31,080,272.10 and 9,361,000.60 is: 14,037,286.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,726,402.20 : 31,080,272.10 = 9,361,000.60 : x
  2. Step 2: Convert to fraction form
    20,726,402.20/31,080,272.10 = 9,361,000.60/x
  3. Step 3: Cross multiply
    20,726,402.20x = 31,080,272.10 × 9,361,000.60
  4. Step 4: Simplify right side
    20,726,402.20x = 290,942,445,776,263.25
  5. Step 5: Solve for x
    x = 290,942,445,776,263.25/20,726,402.20
  6. Step 6: Final answer
    x = 14,037,286.50

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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.