Home / 20,757,701.34-31,139,523.56-6,381,976.19

Finding the Fourth Proportional to 20,757,701.34, 31,139,523.56 and 6,381,976.19

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Solution

The fourth proportional to 20,757,701.34, 31,139,523.56 and 6,381,976.19 is: 9,573,877.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,757,701.34 : 31,139,523.56 = 6,381,976.19 : x
  2. Step 2: Convert to fraction form
    20,757,701.34/31,139,523.56 = 6,381,976.19/x
  3. Step 3: Cross multiply
    20,757,701.34x = 31,139,523.56 × 6,381,976.19
  4. Step 4: Simplify right side
    20,757,701.34x = 198,731,697,788,121.34
  5. Step 5: Solve for x
    x = 198,731,697,788,121.34/20,757,701.34
  6. Step 6: Final answer
    x = 9,573,877.88

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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.