Home / 13,374,342.03-18,456,279.66-7,868,071.43

Finding the Fourth Proportional to 13,374,342.03, 18,456,279.66 and 7,868,071.43

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Solution

The fourth proportional to 13,374,342.03, 18,456,279.66 and 7,868,071.43 is: 10,857,754.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,342.03 : 18,456,279.66 = 7,868,071.43 : x
  2. Step 2: Convert to fraction form
    13,374,342.03/18,456,279.66 = 7,868,071.43/x
  3. Step 3: Cross multiply
    13,374,342.03x = 18,456,279.66 × 7,868,071.43
  4. Step 4: Simplify right side
    13,374,342.03x = 145,215,326,604,654.72
  5. Step 5: Solve for x
    x = 145,215,326,604,654.72/13,374,342.03
  6. Step 6: Final answer
    x = 10,857,754.82

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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.