Home / 28,080,231.37-38,752,216.18-15,690,625.55

Finding the Fourth Proportional to 28,080,231.37, 38,752,216.18 and 15,690,625.55

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Solution

The fourth proportional to 28,080,231.37, 38,752,216.18 and 15,690,625.55 is: 21,653,899.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,231.37 : 38,752,216.18 = 15,690,625.55 : x
  2. Step 2: Convert to fraction form
    28,080,231.37/38,752,216.18 = 15,690,625.55/x
  3. Step 3: Cross multiply
    28,080,231.37x = 38,752,216.18 × 15,690,625.55
  4. Step 4: Simplify right side
    28,080,231.37x = 608,046,513,119,270.25
  5. Step 5: Solve for x
    x = 608,046,513,119,270.25/28,080,231.37
  6. Step 6: Final answer
    x = 21,653,899.69

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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.