Home / 13,053,218.46-18,012,385.41-7,546,946.61

Finding the Fourth Proportional to 13,053,218.46, 18,012,385.41 and 7,546,946.61

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Solution

The fourth proportional to 13,053,218.46, 18,012,385.41 and 7,546,946.61 is: 10,414,175.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,053,218.46 : 18,012,385.41 = 7,546,946.61 : x
  2. Step 2: Convert to fraction form
    13,053,218.46/18,012,385.41 = 7,546,946.61/x
  3. Step 3: Cross multiply
    13,053,218.46x = 18,012,385.41 × 7,546,946.61
  4. Step 4: Simplify right side
    13,053,218.46x = 135,938,511,008,012.97
  5. Step 5: Solve for x
    x = 135,938,511,008,012.97/13,053,218.46
  6. Step 6: Final answer
    x = 10,414,175.74

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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.