Home / 20,912,951.52-31,369,451.94-6,536,094.66

Finding the Fourth Proportional to 20,912,951.52, 31,369,451.94 and 6,536,094.66

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Solution

The fourth proportional to 20,912,951.52, 31,369,451.94 and 6,536,094.66 is: 9,804,149.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,912,951.52 : 31,369,451.94 = 6,536,094.66 : x
  2. Step 2: Convert to fraction form
    20,912,951.52/31,369,451.94 = 6,536,094.66/x
  3. Step 3: Cross multiply
    20,912,951.52x = 31,369,451.94 × 6,536,094.66
  4. Step 4: Simplify right side
    20,912,951.52x = 205,033,707,312,160.66
  5. Step 5: Solve for x
    x = 205,033,707,312,160.66/20,912,951.52
  6. Step 6: Final answer
    x = 9,804,149.70

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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.