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Finding the Fourth Proportional to 17,979,809.70, 26,969,714.55 and 10,426,203.30

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Solution

The fourth proportional to 17,979,809.70, 26,969,714.55 and 10,426,203.30 is: 15,639,304.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979,809.70 : 26,969,714.55 = 10,426,203.30 : x
  2. Step 2: Convert to fraction form
    17,979,809.70/26,969,714.55 = 10,426,203.30/x
  3. Step 3: Cross multiply
    17,979,809.70x = 26,969,714.55 × 10,426,203.30
  4. Step 4: Simplify right side
    17,979,809.70x = 281,191,726,841,268.03
  5. Step 5: Solve for x
    x = 281,191,726,841,268.03/17,979,809.70
  6. Step 6: Final answer
    x = 15,639,304.95

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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.