Home / 20,656,214.33-30,983,200.11-6,278,161.10

Finding the Fourth Proportional to 20,656,214.33, 30,983,200.11 and 6,278,161.10

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Solution

The fourth proportional to 20,656,214.33, 30,983,200.11 and 6,278,161.10 is: 9,416,900.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656,214.33 : 30,983,200.11 = 6,278,161.10 : x
  2. Step 2: Convert to fraction form
    20,656,214.33/30,983,200.11 = 6,278,161.10/x
  3. Step 3: Cross multiply
    20,656,214.33x = 30,983,200.11 × 6,278,161.10
  4. Step 4: Simplify right side
    20,656,214.33x = 194,517,521,529,201.72
  5. Step 5: Solve for x
    x = 194,517,521,529,201.72/20,656,214.33
  6. Step 6: Final answer
    x = 9,416,900.82

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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.