Home / 19,587,754.40-29,381,631.60-11,923,728.80

Finding the Fourth Proportional to 19,587,754.40, 29,381,631.60 and 11,923,728.80

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Solution

The fourth proportional to 19,587,754.40, 29,381,631.60 and 11,923,728.80 is: 17,885,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,587,754.40 : 29,381,631.60 = 11,923,728.80 : x
  2. Step 2: Convert to fraction form
    19,587,754.40/29,381,631.60 = 11,923,728.80/x
  3. Step 3: Cross multiply
    19,587,754.40x = 29,381,631.60 × 11,923,728.80
  4. Step 4: Simplify right side
    19,587,754.40x = 350,338,606,899,910.12
  5. Step 5: Solve for x
    x = 350,338,606,899,910.12/19,587,754.40
  6. Step 6: Final answer
    x = 17,885,593.20

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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.