Home / 20,998,207.70-31,497,311.55-5,852,139.20

Finding the Fourth Proportional to 20,998,207.70, 31,497,311.55 and 5,852,139.20

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Solution

The fourth proportional to 20,998,207.70, 31,497,311.55 and 5,852,139.20 is: 8,778,208.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,998,207.70 : 31,497,311.55 = 5,852,139.20 : x
  2. Step 2: Convert to fraction form
    20,998,207.70/31,497,311.55 = 5,852,139.20/x
  3. Step 3: Cross multiply
    20,998,207.70x = 31,497,311.55 × 5,852,139.20
  4. Step 4: Simplify right side
    20,998,207.70x = 184,326,651,616,367.78
  5. Step 5: Solve for x
    x = 184,326,651,616,367.78/20,998,207.70
  6. Step 6: Final answer
    x = 8,778,208.80

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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.