Home / 30,391,753.68-45,605,786.72-27,919,136.88

Finding the Fourth Proportional to 30,391,753.68, 45,605,786.72 and 27,919,136.88

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Solution

The fourth proportional to 30,391,753.68, 45,605,786.72 and 27,919,136.88 is: 41,895,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,391,753.68 : 45,605,786.72 = 27,919,136.88 : x
  2. Step 2: Convert to fraction form
    30,391,753.68/45,605,786.72 = 27,919,136.88/x
  3. Step 3: Cross multiply
    30,391,753.68x = 45,605,786.72 × 27,919,136.88
  4. Step 4: Simplify right side
    30,391,753.68x = 1,273,274,201,816,170.50
  5. Step 5: Solve for x
    x = 1,273,274,201,816,170.50/30,391,753.68
  6. Step 6: Final answer
    x = 41,895,384.36

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1.5x scale

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.