Home / 17,979,461.80-26,972,691.90-5,200,383.40

Finding the Fourth Proportional to 17,979,461.80, 26,972,691.90 and 5,200,383.40

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Solution

The fourth proportional to 17,979,461.80, 26,972,691.90 and 5,200,383.40 is: 7,801,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,979,461.80 : 26,972,691.90 = 5,200,383.40 : x
  2. Step 2: Convert to fraction form
    17,979,461.80/26,972,691.90 = 5,200,383.40/x
  3. Step 3: Cross multiply
    17,979,461.80x = 26,972,691.90 × 5,200,383.40
  4. Step 4: Simplify right side
    17,979,461.80x = 140,268,339,210,074.47
  5. Step 5: Solve for x
    x = 140,268,339,210,074.47/17,979,461.80
  6. Step 6: Final answer
    x = 7,801,587.21

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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.