Home / 15,037,249.09-20,751,443.68-8,161,731.15

Finding the Fourth Proportional to 15,037,249.09, 20,751,443.68 and 8,161,731.15

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Solution

The fourth proportional to 15,037,249.09, 20,751,443.68 and 8,161,731.15 is: 11,263,210.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,249.09 : 20,751,443.68 = 8,161,731.15 : x
  2. Step 2: Convert to fraction form
    15,037,249.09/20,751,443.68 = 8,161,731.15/x
  3. Step 3: Cross multiply
    15,037,249.09x = 20,751,443.68 × 8,161,731.15
  4. Step 4: Simplify right side
    15,037,249.09x = 169,367,704,290,526.62
  5. Step 5: Solve for x
    x = 169,367,704,290,526.62/15,037,249.09
  6. Step 6: Final answer
    x = 11,263,210.66

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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.