Home / 9,138,214.97-12,603,472.48-7,766,100.73

Finding the Fourth Proportional to 9,138,214.97, 12,603,472.48 and 7,766,100.73

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Solution

The fourth proportional to 9,138,214.97, 12,603,472.48 and 7,766,100.73 is: 10,711,045.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,138,214.97 : 12,603,472.48 = 7,766,100.73 : x
  2. Step 2: Convert to fraction form
    9,138,214.97/12,603,472.48 = 7,766,100.73/x
  3. Step 3: Cross multiply
    9,138,214.97x = 12,603,472.48 × 7,766,100.73
  4. Step 4: Simplify right side
    9,138,214.97x = 97,879,836,827,462.92
  5. Step 5: Solve for x
    x = 97,879,836,827,462.92/9,138,214.97
  6. Step 6: Final answer
    x = 10,711,045.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.