Home / 18,084,141.80-27,126,212.70-10,431,391.40

Finding the Fourth Proportional to 18,084,141.80, 27,126,212.70 and 10,431,391.40

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Solution

The fourth proportional to 18,084,141.80, 27,126,212.70 and 10,431,391.40 is: 15,647,087.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,084,141.80 : 27,126,212.70 = 10,431,391.40 : x
  2. Step 2: Convert to fraction form
    18,084,141.80/27,126,212.70 = 10,431,391.40/x
  3. Step 3: Cross multiply
    18,084,141.80x = 27,126,212.70 × 10,431,391.40
  4. Step 4: Simplify right side
    18,084,141.80x = 282,964,141,873,350.81
  5. Step 5: Solve for x
    x = 282,964,141,873,350.81/18,084,141.80
  6. Step 6: Final answer
    x = 15,647,087.10

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Double scale
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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.