Home / 28,080,231.87-38,752,216.87-15,690,626.05

Finding the Fourth Proportional to 28,080,231.87, 38,752,216.87 and 15,690,626.05

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Solution

The fourth proportional to 28,080,231.87, 38,752,216.87 and 15,690,626.05 is: 21,653,900.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,231.87 : 38,752,216.87 = 15,690,626.05 : x
  2. Step 2: Convert to fraction form
    28,080,231.87/38,752,216.87 = 15,690,626.05/x
  3. Step 3: Cross multiply
    28,080,231.87x = 38,752,216.87 × 15,690,626.05
  4. Step 4: Simplify right side
    28,080,231.87x = 608,046,543,515,671.50
  5. Step 5: Solve for x
    x = 608,046,543,515,671.50/28,080,231.87
  6. Step 6: Final answer
    x = 21,653,900.38

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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.