Home / 17,979,389.30-26,972,583.15-5,200,310.90

Finding the Fourth Proportional to 17,979,389.30, 26,972,583.15 and 5,200,310.90

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Solution

The fourth proportional to 17,979,389.30, 26,972,583.15 and 5,200,310.90 is: 7,801,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979,389.30 : 26,972,583.15 = 5,200,310.90 : x
  2. Step 2: Convert to fraction form
    17,979,389.30/26,972,583.15 = 5,200,310.90/x
  3. Step 3: Cross multiply
    17,979,389.30x = 26,972,583.15 × 5,200,310.90
  4. Step 4: Simplify right side
    17,979,389.30x = 140,265,818,156,101.34
  5. Step 5: Solve for x
    x = 140,265,818,156,101.34/17,979,389.30
  6. Step 6: Final answer
    x = 7,801,478.45

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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.