Home / 15,717,508.30-21,687,589.35-9,099,739.24

Finding the Fourth Proportional to 15,717,508.30, 21,687,589.35 and 9,099,739.24

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Solution

The fourth proportional to 15,717,508.30, 21,687,589.35 and 9,099,739.24 is: 12,556,151.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,717,508.30 : 21,687,589.35 = 9,099,739.24 : x
  2. Step 2: Convert to fraction form
    15,717,508.30/21,687,589.35 = 9,099,739.24/x
  3. Step 3: Cross multiply
    15,717,508.30x = 21,687,589.35 × 9,099,739.24
  4. Step 4: Simplify right side
    15,717,508.30x = 197,351,407,829,201.12
  5. Step 5: Solve for x
    x = 197,351,407,829,201.12/15,717,508.30
  6. Step 6: Final answer
    x = 12,556,151.02

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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.