Home / 18,145,440.30-27,186,667.65-11,752,401.90

Finding the Fourth Proportional to 18,145,440.30, 27,186,667.65 and 11,752,401.90

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Solution

The fourth proportional to 18,145,440.30, 27,186,667.65 and 11,752,401.90 is: 17,608,205.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,145,440.30 : 27,186,667.65 = 11,752,401.90 : x
  2. Step 2: Convert to fraction form
    18,145,440.30/27,186,667.65 = 11,752,401.90/x
  3. Step 3: Cross multiply
    18,145,440.30x = 27,186,667.65 × 11,752,401.90
  4. Step 4: Simplify right side
    18,145,440.30x = 319,508,644,544,528.50
  5. Step 5: Solve for x
    x = 319,508,644,544,528.50/18,145,440.30
  6. Step 6: Final answer
    x = 17,608,205.66

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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.