Home / 20,126,087.28-27,773,882.64-10,958,708.16

Finding the Fourth Proportional to 20,126,087.28, 27,773,882.64 and 10,958,708.16

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Solution

The fourth proportional to 20,126,087.28, 27,773,882.64 and 10,958,708.16 is: 15,122,953.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,126,087.28 : 27,773,882.64 = 10,958,708.16 : x
  2. Step 2: Convert to fraction form
    20,126,087.28/27,773,882.64 = 10,958,708.16/x
  3. Step 3: Cross multiply
    20,126,087.28x = 27,773,882.64 × 10,958,708.16
  4. Step 4: Simplify right side
    20,126,087.28x = 304,365,874,321,850.38
  5. Step 5: Solve for x
    x = 304,365,874,321,850.38/20,126,087.28
  6. Step 6: Final answer
    x = 15,122,953.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.