Home / 28,511,932.80-39,344,034.48-16,121,418.72

Finding the Fourth Proportional to 28,511,932.80, 39,344,034.48 and 16,121,418.72

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Solution

The fourth proportional to 28,511,932.80, 39,344,034.48 and 16,121,418.72 is: 22,246,182.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,511,932.80 : 39,344,034.48 = 16,121,418.72 : x
  2. Step 2: Convert to fraction form
    28,511,932.80/39,344,034.48 = 16,121,418.72/x
  3. Step 3: Cross multiply
    28,511,932.80x = 39,344,034.48 × 16,121,418.72
  4. Step 4: Simplify right side
    28,511,932.80x = 634,281,653,986,197.50
  5. Step 5: Solve for x
    x = 634,281,653,986,197.50/28,511,932.80
  6. Step 6: Final answer
    x = 22,246,182.27

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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.