Home / 27,515,667.64-37,972,471.26-15,126,707.72

Finding the Fourth Proportional to 27,515,667.64, 37,972,471.26 and 15,126,707.72

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Solution

The fourth proportional to 27,515,667.64, 37,972,471.26 and 15,126,707.72 is: 20,875,323.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,515,667.64 : 37,972,471.26 = 15,126,707.72 : x
  2. Step 2: Convert to fraction form
    27,515,667.64/37,972,471.26 = 15,126,707.72/x
  3. Step 3: Cross multiply
    27,515,667.64x = 37,972,471.26 × 15,126,707.72
  4. Step 4: Simplify right side
    27,515,667.64x = 574,398,474,156,120.12
  5. Step 5: Solve for x
    x = 574,398,474,156,120.12/27,515,667.64
  6. Step 6: Final answer
    x = 20,875,323.89

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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.