Home / 13,517,877.84-18,654,591.60-7,323,042.60

Finding the Fourth Proportional to 13,517,877.84, 18,654,591.60 and 7,323,042.60

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Solution

The fourth proportional to 13,517,877.84, 18,654,591.60 and 7,323,042.60 is: 10,105,755.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517,877.84 : 18,654,591.60 = 7,323,042.60 : x
  2. Step 2: Convert to fraction form
    13,517,877.84/18,654,591.60 = 7,323,042.60/x
  3. Step 3: Cross multiply
    13,517,877.84x = 18,654,591.60 × 7,323,042.60
  4. Step 4: Simplify right side
    13,517,877.84x = 136,608,368,972,402.16
  5. Step 5: Solve for x
    x = 136,608,368,972,402.16/13,517,877.84
  6. Step 6: Final answer
    x = 10,105,755.55

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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.