Home / 20,733,079.20-31,099,618.80-5,587,010.70

Finding the Fourth Proportional to 20,733,079.20, 31,099,618.80 and 5,587,010.70

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Solution

The fourth proportional to 20,733,079.20, 31,099,618.80 and 5,587,010.70 is: 8,380,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,733,079.20 : 31,099,618.80 = 5,587,010.70 : x
  2. Step 2: Convert to fraction form
    20,733,079.20/31,099,618.80 = 5,587,010.70/x
  3. Step 3: Cross multiply
    20,733,079.20x = 31,099,618.80 × 5,587,010.70
  4. Step 4: Simplify right side
    20,733,079.20x = 173,753,903,001,521.16
  5. Step 5: Solve for x
    x = 173,753,903,001,521.16/20,733,079.20
  6. Step 6: Final answer
    x = 8,380,516.05

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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.