Home / 27,631,238.87-38,131,375.62-15,241,854.49

Finding the Fourth Proportional to 27,631,238.87, 38,131,375.62 and 15,241,854.49

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Solution

The fourth proportional to 27,631,238.87, 38,131,375.62 and 15,241,854.49 is: 21,033,905.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,631,238.87 : 38,131,375.62 = 15,241,854.49 : x
  2. Step 2: Convert to fraction form
    27,631,238.87/38,131,375.62 = 15,241,854.49/x
  3. Step 3: Cross multiply
    27,631,238.87x = 38,131,375.62 × 15,241,854.49
  4. Step 4: Simplify right side
    27,631,238.87x = 581,192,878,638,595.62
  5. Step 5: Solve for x
    x = 581,192,878,638,595.62/27,631,238.87
  6. Step 6: Final answer
    x = 21,033,905.91

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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.