Home / 12,382,658.40-17,088,122.25-6,876,016.41

Finding the Fourth Proportional to 12,382,658.40, 17,088,122.25 and 6,876,016.41

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Solution

The fourth proportional to 12,382,658.40, 17,088,122.25 and 6,876,016.41 is: 9,488,932.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,658.40 : 17,088,122.25 = 6,876,016.41 : x
  2. Step 2: Convert to fraction form
    12,382,658.40/17,088,122.25 = 6,876,016.41/x
  3. Step 3: Cross multiply
    12,382,658.40x = 17,088,122.25 × 6,876,016.41
  4. Step 4: Simplify right side
    12,382,658.40x = 117,498,209,007,086.12
  5. Step 5: Solve for x
    x = 117,498,209,007,086.12/12,382,658.40
  6. Step 6: Final answer
    x = 9,488,932.44

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1.5x scale

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.