Home / 16,391,538.18-22,620,351.30-9,049,383.21

Finding the Fourth Proportional to 16,391,538.18, 22,620,351.30 and 9,049,383.21

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Solution

The fourth proportional to 16,391,538.18, 22,620,351.30 and 9,049,383.21 is: 12,488,164.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,391,538.18 : 22,620,351.30 = 9,049,383.21 : x
  2. Step 2: Convert to fraction form
    16,391,538.18/22,620,351.30 = 9,049,383.21/x
  3. Step 3: Cross multiply
    16,391,538.18x = 22,620,351.30 × 9,049,383.21
  4. Step 4: Simplify right side
    16,391,538.18x = 204,700,227,258,521.69
  5. Step 5: Solve for x
    x = 204,700,227,258,521.69/16,391,538.18
  6. Step 6: Final answer
    x = 12,488,164.63

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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.