Home / 18,722,390.40-28,083,585.60-16,632,201.60

Finding the Fourth Proportional to 18,722,390.40, 28,083,585.60 and 16,632,201.60

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Solution

The fourth proportional to 18,722,390.40, 28,083,585.60 and 16,632,201.60 is: 24,948,302.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,722,390.40 : 28,083,585.60 = 16,632,201.60 : x
  2. Step 2: Convert to fraction form
    18,722,390.40/28,083,585.60 = 16,632,201.60/x
  3. Step 3: Cross multiply
    18,722,390.40x = 28,083,585.60 × 16,632,201.60
  4. Step 4: Simplify right side
    18,722,390.40x = 467,091,857,350,057
  5. Step 5: Solve for x
    x = 467,091,857,350,057/18,722,390.40
  6. Step 6: Final answer
    x = 24,948,302.40

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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.