Home / 28,231,998.40-38,967,266.40-16,016,190.40

Finding the Fourth Proportional to 28,231,998.40, 38,967,266.40 and 16,016,190.40

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Solution

The fourth proportional to 28,231,998.40, 38,967,266.40 and 16,016,190.40 is: 22,106,375.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,231,998.40 : 38,967,266.40 = 16,016,190.40 : x
  2. Step 2: Convert to fraction form
    28,231,998.40/38,967,266.40 = 16,016,190.40/x
  3. Step 3: Cross multiply
    28,231,998.40x = 38,967,266.40 × 16,016,190.40
  4. Step 4: Simplify right side
    28,231,998.40x = 624,107,158,029,922.50
  5. Step 5: Solve for x
    x = 624,107,158,029,922.50/28,231,998.40
  6. Step 6: Final answer
    x = 22,106,375.51

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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.