Home / 18,128,378.08-27,192,850.04-10,092,428.38

Finding the Fourth Proportional to 18,128,378.08, 27,192,850.04 and 10,092,428.38

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Solution

The fourth proportional to 18,128,378.08, 27,192,850.04 and 10,092,428.38 is: 15,138,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,128,378.08 : 27,192,850.04 = 10,092,428.38 : x
  2. Step 2: Convert to fraction form
    18,128,378.08/27,192,850.04 = 10,092,428.38/x
  3. Step 3: Cross multiply
    18,128,378.08x = 27,192,850.04 × 10,092,428.38
  4. Step 4: Simplify right side
    18,128,378.08x = 274,441,891,476,780.16
  5. Step 5: Solve for x
    x = 274,441,891,476,780.16/18,128,378.08
  6. Step 6: Final answer
    x = 15,138,800.08

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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.