Home / 11,876,720.90-17,815,081.35-10,176,109.70

Finding the Fourth Proportional to 11,876,720.90, 17,815,081.35 and 10,176,109.70

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Solution

The fourth proportional to 11,876,720.90, 17,815,081.35 and 10,176,109.70 is: 15,264,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,876,720.90 : 17,815,081.35 = 10,176,109.70 : x
  2. Step 2: Convert to fraction form
    11,876,720.90/17,815,081.35 = 10,176,109.70/x
  3. Step 3: Cross multiply
    11,876,720.90x = 17,815,081.35 × 10,176,109.70
  4. Step 4: Simplify right side
    11,876,720.90x = 181,288,222,132,024.09
  5. Step 5: Solve for x
    x = 181,288,222,132,024.09/11,876,720.90
  6. Step 6: Final answer
    x = 15,264,164.55

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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.