Home / 13,374,334.39-18,456,269.17-7,868,063.79

Finding the Fourth Proportional to 13,374,334.39, 18,456,269.17 and 7,868,063.79

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Solution

The fourth proportional to 13,374,334.39, 18,456,269.17 and 7,868,063.79 is: 10,857,744.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,334.39 : 18,456,269.17 = 7,868,063.79 : x
  2. Step 2: Convert to fraction form
    13,374,334.39/18,456,269.17 = 7,868,063.79/x
  3. Step 3: Cross multiply
    13,374,334.39x = 18,456,269.17 × 7,868,063.79
  4. Step 4: Simplify right side
    13,374,334.39x = 145,215,103,154,970.38
  5. Step 5: Solve for x
    x = 145,215,103,154,970.38/13,374,334.39
  6. Step 6: Final answer
    x = 10,857,744.31

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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.