Home / 18,444,610.20-27,666,915.30-18,192,667.80

Finding the Fourth Proportional to 18,444,610.20, 27,666,915.30 and 18,192,667.80

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Solution

The fourth proportional to 18,444,610.20, 27,666,915.30 and 18,192,667.80 is: 27,289,001.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,444,610.20 : 27,666,915.30 = 18,192,667.80 : x
  2. Step 2: Convert to fraction form
    18,444,610.20/27,666,915.30 = 18,192,667.80/x
  3. Step 3: Cross multiply
    18,444,610.20x = 27,666,915.30 × 18,192,667.80
  4. Step 4: Simplify right side
    18,444,610.20x = 503,334,999,103,637.38
  5. Step 5: Solve for x
    x = 503,334,999,103,637.38/18,444,610.20
  6. Step 6: Final answer
    x = 27,289,001.70

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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.