Home / 15,753,310.40-21,739,031.25-8,689,183.53

Finding the Fourth Proportional to 15,753,310.40, 21,739,031.25 and 8,689,183.53

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Solution

The fourth proportional to 15,753,310.40, 21,739,031.25 and 8,689,183.53 is: 11,990,777.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,753,310.40 : 21,739,031.25 = 8,689,183.53 : x
  2. Step 2: Convert to fraction form
    15,753,310.40/21,739,031.25 = 8,689,183.53/x
  3. Step 3: Cross multiply
    15,753,310.40x = 21,739,031.25 × 8,689,183.53
  4. Step 4: Simplify right side
    15,753,310.40x = 188,894,432,295,655.31
  5. Step 5: Solve for x
    x = 188,894,432,295,655.31/15,753,310.40
  6. Step 6: Final answer
    x = 11,990,777.02

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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.