Home / 15,037,278.08-20,751,483.78-8,161,760.18

Finding the Fourth Proportional to 15,037,278.08, 20,751,483.78 and 8,161,760.18

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Solution

The fourth proportional to 15,037,278.08, 20,751,483.78 and 8,161,760.18 is: 11,263,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,278.08 : 20,751,483.78 = 8,161,760.18 : x
  2. Step 2: Convert to fraction form
    15,037,278.08/20,751,483.78 = 8,161,760.18/x
  3. Step 3: Cross multiply
    15,037,278.08x = 20,751,483.78 × 8,161,760.18
  4. Step 4: Simplify right side
    15,037,278.08x = 169,368,633,991,519.88
  5. Step 5: Solve for x
    x = 169,368,633,991,519.88/15,037,278.08
  6. Step 6: Final answer
    x = 11,263,250.78

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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.