Home / 20,998,214.20-31,497,321.30-5,852,145.70

Finding the Fourth Proportional to 20,998,214.20, 31,497,321.30 and 5,852,145.70

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Solution

The fourth proportional to 20,998,214.20, 31,497,321.30 and 5,852,145.70 is: 8,778,218.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,998,214.20 : 31,497,321.30 = 5,852,145.70 : x
  2. Step 2: Convert to fraction form
    20,998,214.20/31,497,321.30 = 5,852,145.70/x
  3. Step 3: Cross multiply
    20,998,214.20x = 31,497,321.30 × 5,852,145.70
  4. Step 4: Simplify right side
    20,998,214.20x = 184,326,913,407,313.41
  5. Step 5: Solve for x
    x = 184,326,913,407,313.41/20,998,214.20
  6. Step 6: Final answer
    x = 8,778,218.55

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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.