Home / 13,476,979.95-20,201,691.83-6,643,042.35

Finding the Fourth Proportional to 13,476,979.95, 20,201,691.83 and 6,643,042.35

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Solution

The fourth proportional to 13,476,979.95, 20,201,691.83 and 6,643,042.35 is: 9,957,772.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,476,979.95 : 20,201,691.83 = 6,643,042.35 : x
  2. Step 2: Convert to fraction form
    13,476,979.95/20,201,691.83 = 6,643,042.35/x
  3. Step 3: Cross multiply
    13,476,979.95x = 20,201,691.83 × 6,643,042.35
  4. Step 4: Simplify right side
    13,476,979.95x = 134,200,694,335,123.78
  5. Step 5: Solve for x
    x = 134,200,694,335,123.78/13,476,979.95
  6. Step 6: Final answer
    x = 9,957,772.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.