Home / 6,766,123-10,148,103.70-1,972,691.32

Finding the Fourth Proportional to 6,766,123, 10,148,103.70 and 1,972,691.32

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Solution

The fourth proportional to 6,766,123, 10,148,103.70 and 1,972,691.32 is: 2,958,721.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,766,123 : 10,148,103.70 = 1,972,691.32 : x
  2. Step 2: Convert to fraction form
    6,766,123/10,148,103.70 = 1,972,691.32/x
  3. Step 3: Cross multiply
    6,766,123x = 10,148,103.70 × 1,972,691.32
  4. Step 4: Simplify right side
    6,766,123x = 20,019,076,083,449.88
  5. Step 5: Solve for x
    x = 20,019,076,083,449.88/6,766,123
  6. Step 6: Final answer
    x = 2,958,721.87

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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.