Home / 27,681,236.13-38,200,426.46-15,291,072.89

Finding the Fourth Proportional to 27,681,236.13, 38,200,426.46 and 15,291,072.89

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Solution

The fourth proportional to 27,681,236.13, 38,200,426.46 and 15,291,072.89 is: 21,101,857.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,681,236.13 : 38,200,426.46 = 15,291,072.89 : x
  2. Step 2: Convert to fraction form
    27,681,236.13/38,200,426.46 = 15,291,072.89/x
  3. Step 3: Cross multiply
    27,681,236.13x = 38,200,426.46 × 15,291,072.89
  4. Step 4: Simplify right side
    27,681,236.13x = 584,125,505,161,487.12
  5. Step 5: Solve for x
    x = 584,125,505,161,487.12/27,681,236.13
  6. Step 6: Final answer
    x = 21,101,857.68

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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.