Home / 28,062,429.40-42,093,644.10-15,969,194.20

Finding the Fourth Proportional to 28,062,429.40, 42,093,644.10 and 15,969,194.20

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Solution

The fourth proportional to 28,062,429.40, 42,093,644.10 and 15,969,194.20 is: 23,953,791.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,062,429.40 : 42,093,644.10 = 15,969,194.20 : x
  2. Step 2: Convert to fraction form
    28,062,429.40/42,093,644.10 = 15,969,194.20/x
  3. Step 3: Cross multiply
    28,062,429.40x = 42,093,644.10 × 15,969,194.20
  4. Step 4: Simplify right side
    28,062,429.40x = 672,201,577,218,584.25
  5. Step 5: Solve for x
    x = 672,201,577,218,584.25/28,062,429.40
  6. Step 6: Final answer
    x = 23,953,791.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.