Home / 15,037,251.09-20,751,446.44-8,161,733.15

Finding the Fourth Proportional to 15,037,251.09, 20,751,446.44 and 8,161,733.15

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Solution

The fourth proportional to 15,037,251.09, 20,751,446.44 and 8,161,733.15 is: 11,263,213.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,037,251.09 : 20,751,446.44 = 8,161,733.15 : x
  2. Step 2: Convert to fraction form
    15,037,251.09/20,751,446.44 = 8,161,733.15/x
  3. Step 3: Cross multiply
    15,037,251.09x = 20,751,446.44 × 8,161,733.15
  4. Step 4: Simplify right side
    15,037,251.09x = 169,367,768,319,797.50
  5. Step 5: Solve for x
    x = 169,367,768,319,797.50/15,037,251.09
  6. Step 6: Final answer
    x = 11,263,213.42

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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.