Home / 12,446,961.18-18,659,792.49-4,776,110.82

Finding the Fourth Proportional to 12,446,961.18, 18,659,792.49 and 4,776,110.82

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Solution

The fourth proportional to 12,446,961.18, 18,659,792.49 and 4,776,110.82 is: 7,160,079.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,446,961.18 : 18,659,792.49 = 4,776,110.82 : x
  2. Step 2: Convert to fraction form
    12,446,961.18/18,659,792.49 = 4,776,110.82/x
  3. Step 3: Cross multiply
    12,446,961.18x = 18,659,792.49 × 4,776,110.82
  4. Step 4: Simplify right side
    12,446,961.18x = 89,121,236,819,398.95
  5. Step 5: Solve for x
    x = 89,121,236,819,398.95/12,446,961.18
  6. Step 6: Final answer
    x = 7,160,079.92

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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.