Home / 8,117,788.12-11,198,300.37-5,019,321.03

Finding the Fourth Proportional to 8,117,788.12, 11,198,300.37 and 5,019,321.03

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Solution

The fourth proportional to 8,117,788.12, 11,198,300.37 and 5,019,321.03 is: 6,924,036.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,117,788.12 : 11,198,300.37 = 5,019,321.03 : x
  2. Step 2: Convert to fraction form
    8,117,788.12/11,198,300.37 = 5,019,321.03/x
  3. Step 3: Cross multiply
    8,117,788.12x = 11,198,300.37 × 5,019,321.03
  4. Step 4: Simplify right side
    8,117,788.12x = 56,207,864,514,815.38
  5. Step 5: Solve for x
    x = 56,207,864,514,815.38/8,117,788.12
  6. Step 6: Final answer
    x = 6,924,036.90

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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.