Home / 20,656,192.12-30,983,166.90-6,278,138.91

Finding the Fourth Proportional to 20,656,192.12, 30,983,166.90 and 6,278,138.91

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Solution

The fourth proportional to 20,656,192.12, 30,983,166.90 and 6,278,138.91 is: 9,416,867.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,656,192.12 : 30,983,166.90 = 6,278,138.91 : x
  2. Step 2: Convert to fraction form
    20,656,192.12/30,983,166.90 = 6,278,138.91/x
  3. Step 3: Cross multiply
    20,656,192.12x = 30,983,166.90 × 6,278,138.91
  4. Step 4: Simplify right side
    20,656,192.12x = 194,516,625,669,914.06
  5. Step 5: Solve for x
    x = 194,516,625,669,914.06/20,656,192.12
  6. Step 6: Final answer
    x = 9,416,867.57

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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.