Home / 15,135,216.57-20,886,593.12-8,259,698.64

Finding the Fourth Proportional to 15,135,216.57, 20,886,593.12 and 8,259,698.64

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Solution

The fourth proportional to 15,135,216.57, 20,886,593.12 and 8,259,698.64 is: 11,398,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,135,216.57 : 20,886,593.12 = 8,259,698.64 : x
  2. Step 2: Convert to fraction form
    15,135,216.57/20,886,593.12 = 8,259,698.64/x
  3. Step 3: Cross multiply
    15,135,216.57x = 20,886,593.12 × 8,259,698.64
  4. Step 4: Simplify right side
    15,135,216.57x = 172,516,964,746,198.84
  5. Step 5: Solve for x
    x = 172,516,964,746,198.84/15,135,216.57
  6. Step 6: Final answer
    x = 11,398,380.98

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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.