Home / 12,891,713.75-17,791,072.56-7,091,035.23

Finding the Fourth Proportional to 12,891,713.75, 17,791,072.56 and 7,091,035.23

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Solution

The fourth proportional to 12,891,713.75, 17,791,072.56 and 7,091,035.23 is: 9,785,907.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,891,713.75 : 17,791,072.56 = 7,091,035.23 : x
  2. Step 2: Convert to fraction form
    12,891,713.75/17,791,072.56 = 7,091,035.23/x
  3. Step 3: Cross multiply
    12,891,713.75x = 17,791,072.56 × 7,091,035.23
  4. Step 4: Simplify right side
    12,891,713.75x = 126,157,122,302,446.28
  5. Step 5: Solve for x
    x = 126,157,122,302,446.28/12,891,713.75
  6. Step 6: Final answer
    x = 9,785,907.82

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.