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Finding the Fourth Proportional to 16,389,228.80, 24,583,843.20 and 5,028,201.20

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Solution

The fourth proportional to 16,389,228.80, 24,583,843.20 and 5,028,201.20 is: 7,542,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389,228.80 : 24,583,843.20 = 5,028,201.20 : x
  2. Step 2: Convert to fraction form
    16,389,228.80/24,583,843.20 = 5,028,201.20/x
  3. Step 3: Cross multiply
    16,389,228.80x = 24,583,843.20 × 5,028,201.20
  4. Step 4: Simplify right side
    16,389,228.80x = 123,612,509,878,851.84
  5. Step 5: Solve for x
    x = 123,612,509,878,851.84/16,389,228.80
  6. Step 6: Final answer
    x = 7,542,301.80

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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.