Home / 27,804,765.07-38,372,849.67-15,418,743.72

Finding the Fourth Proportional to 27,804,765.07, 38,372,849.67 and 15,418,743.72

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Solution

The fourth proportional to 27,804,765.07, 38,372,849.67 and 15,418,743.72 is: 21,279,127.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,804,765.07 : 38,372,849.67 = 15,418,743.72 : x
  2. Step 2: Convert to fraction form
    27,804,765.07/38,372,849.67 = 15,418,743.72/x
  3. Step 3: Cross multiply
    27,804,765.07x = 38,372,849.67 × 15,418,743.72
  4. Step 4: Simplify right side
    27,804,765.07x = 591,661,134,867,816.62
  5. Step 5: Solve for x
    x = 591,661,134,867,816.62/27,804,765.07
  6. Step 6: Final answer
    x = 21,279,127.28

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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.