Home / 20,757,697.22-31,139,517.38-6,381,972.06

Finding the Fourth Proportional to 20,757,697.22, 31,139,517.38 and 6,381,972.06

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Solution

The fourth proportional to 20,757,697.22, 31,139,517.38 and 6,381,972.06 is: 9,573,871.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,697.22 : 31,139,517.38 = 6,381,972.06 : x
  2. Step 2: Convert to fraction form
    20,757,697.22/31,139,517.38 = 6,381,972.06/x
  3. Step 3: Cross multiply
    20,757,697.22x = 31,139,517.38 × 6,381,972.06
  4. Step 4: Simplify right side
    20,757,697.22x = 198,731,529,849,134.53
  5. Step 5: Solve for x
    x = 198,731,529,849,134.53/20,757,697.22
  6. Step 6: Final answer
    x = 9,573,871.70

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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.