Home / 13,374,333.39-18,456,267.79-7,868,062.79

Finding the Fourth Proportional to 13,374,333.39, 18,456,267.79 and 7,868,062.79

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Solution

The fourth proportional to 13,374,333.39, 18,456,267.79 and 7,868,062.79 is: 10,857,742.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374,333.39 : 18,456,267.79 = 7,868,062.79 : x
  2. Step 2: Convert to fraction form
    13,374,333.39/18,456,267.79 = 7,868,062.79/x
  3. Step 3: Cross multiply
    13,374,333.39x = 18,456,267.79 × 7,868,062.79
  4. Step 4: Simplify right side
    13,374,333.39x = 145,215,073,827,539.28
  5. Step 5: Solve for x
    x = 145,215,073,827,539.28/13,374,333.39
  6. Step 6: Final answer
    x = 10,857,742.93

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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.