Home / 10,109,716.80-15,164,575.20-9,637,324.80

Finding the Fourth Proportional to 10,109,716.80, 15,164,575.20 and 9,637,324.80

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Solution

The fourth proportional to 10,109,716.80, 15,164,575.20 and 9,637,324.80 is: 14,455,987.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109,716.80 : 15,164,575.20 = 9,637,324.80 : x
  2. Step 2: Convert to fraction form
    10,109,716.80/15,164,575.20 = 9,637,324.80/x
  3. Step 3: Cross multiply
    10,109,716.80x = 15,164,575.20 × 9,637,324.80
  4. Step 4: Simplify right side
    10,109,716.80x = 146,145,936,656,424.97
  5. Step 5: Solve for x
    x = 146,145,936,656,424.97/10,109,716.80
  6. Step 6: Final answer
    x = 14,455,987.20

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Similar ratio
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1.5x scale

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.