Home / 28,080,235.07-38,752,221.29-15,690,629.26

Finding the Fourth Proportional to 28,080,235.07, 38,752,221.29 and 15,690,629.26

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Solution

The fourth proportional to 28,080,235.07, 38,752,221.29 and 15,690,629.26 is: 21,653,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,080,235.07 : 38,752,221.29 = 15,690,629.26 : x
  2. Step 2: Convert to fraction form
    28,080,235.07/38,752,221.29 = 15,690,629.26/x
  3. Step 3: Cross multiply
    28,080,235.07x = 38,752,221.29 × 15,690,629.26
  4. Step 4: Simplify right side
    28,080,235.07x = 608,046,737,262,868.88
  5. Step 5: Solve for x
    x = 608,046,737,262,868.88/28,080,235.07
  6. Step 6: Final answer
    x = 21,653,904.81

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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.