Home / 12,826,979.97-17,701,013.67-6,946,566.43

Finding the Fourth Proportional to 12,826,979.97, 17,701,013.67 and 6,946,566.43

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Solution

The fourth proportional to 12,826,979.97, 17,701,013.67 and 6,946,566.43 is: 9,586,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,826,979.97 : 17,701,013.67 = 6,946,566.43 : x
  2. Step 2: Convert to fraction form
    12,826,979.97/17,701,013.67 = 6,946,566.43/x
  3. Step 3: Cross multiply
    12,826,979.97x = 17,701,013.67 × 6,946,566.43
  4. Step 4: Simplify right side
    12,826,979.97x = 122,961,267,292,740.58
  5. Step 5: Solve for x
    x = 122,961,267,292,740.58/12,826,979.97
  6. Step 6: Final answer
    x = 9,586,143.24

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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.