Home / 20,894,715.35-31,342,031.25-5,543,543.76

Finding the Fourth Proportional to 20,894,715.35, 31,342,031.25 and 5,543,543.76

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Solution

The fourth proportional to 20,894,715.35, 31,342,031.25 and 5,543,543.76 is: 8,315,304.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,894,715.35 : 31,342,031.25 = 5,543,543.76 : x
  2. Step 2: Convert to fraction form
    20,894,715.35/31,342,031.25 = 5,543,543.76/x
  3. Step 3: Cross multiply
    20,894,715.35x = 31,342,031.25 × 5,543,543.76
  4. Step 4: Simplify right side
    20,894,715.35x = 173,745,921,761,662.50
  5. Step 5: Solve for x
    x = 173,745,921,761,662.50/20,894,715.35
  6. Step 6: Final answer
    x = 8,315,304.56

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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.