Home / 20,998,213.20-31,497,319.80-5,852,144.70

Finding the Fourth Proportional to 20,998,213.20, 31,497,319.80 and 5,852,144.70

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Solution

The fourth proportional to 20,998,213.20, 31,497,319.80 and 5,852,144.70 is: 8,778,217.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,998,213.20 : 31,497,319.80 = 5,852,144.70 : x
  2. Step 2: Convert to fraction form
    20,998,213.20/31,497,319.80 = 5,852,144.70/x
  3. Step 3: Cross multiply
    20,998,213.20x = 31,497,319.80 × 5,852,144.70
  4. Step 4: Simplify right side
    20,998,213.20x = 184,326,873,131,775.06
  5. Step 5: Solve for x
    x = 184,326,873,131,775.06/20,998,213.20
  6. Step 6: Final answer
    x = 8,778,217.05

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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.