Home / 8,109,206.66-11,131,095.49-7,170,876.74

Finding the Fourth Proportional to 8,109,206.66, 11,131,095.49 and 7,170,876.74

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Solution

The fourth proportional to 8,109,206.66, 11,131,095.49 and 7,170,876.74 is: 9,843,097.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,109,206.66 : 11,131,095.49 = 7,170,876.74 : x
  2. Step 2: Convert to fraction form
    8,109,206.66/11,131,095.49 = 7,170,876.74/x
  3. Step 3: Cross multiply
    8,109,206.66x = 11,131,095.49 × 7,170,876.74
  4. Step 4: Simplify right side
    8,109,206.66x = 79,819,713,648,450.05
  5. Step 5: Solve for x
    x = 79,819,713,648,450.05/8,109,206.66
  6. Step 6: Final answer
    x = 9,843,097.73

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.