Home / 11,876,728.90-17,815,093.35-10,176,117.70

Finding the Fourth Proportional to 11,876,728.90, 17,815,093.35 and 10,176,117.70

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Solution

The fourth proportional to 11,876,728.90, 17,815,093.35 and 10,176,117.70 is: 15,264,176.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876,728.90 : 17,815,093.35 = 10,176,117.70 : x
  2. Step 2: Convert to fraction form
    11,876,728.90/17,815,093.35 = 10,176,117.70/x
  3. Step 3: Cross multiply
    11,876,728.90x = 17,815,093.35 × 10,176,117.70
  4. Step 4: Simplify right side
    11,876,728.90x = 181,288,486,766,087.31
  5. Step 5: Solve for x
    x = 181,288,486,766,087.31/11,876,728.90
  6. Step 6: Final answer
    x = 15,264,176.55

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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.