Home / 28,168,932.12-38,876,559.05-16,565,934.84

Finding the Fourth Proportional to 28,168,932.12, 38,876,559.05 and 16,565,934.84

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Solution

The fourth proportional to 28,168,932.12, 38,876,559.05 and 16,565,934.84 is: 22,863,008.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,168,932.12 : 38,876,559.05 = 16,565,934.84 : x
  2. Step 2: Convert to fraction form
    28,168,932.12/38,876,559.05 = 16,565,934.84/x
  3. Step 3: Cross multiply
    28,168,932.12x = 38,876,559.05 × 16,565,934.84
  4. Step 4: Simplify right side
    28,168,932.12x = 644,026,543,942,882.62
  5. Step 5: Solve for x
    x = 644,026,543,942,882.62/28,168,932.12
  6. Step 6: Final answer
    x = 22,863,008.84

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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.