Home / 18,923,008.80-28,384,513.20-8,826,650.40

Finding the Fourth Proportional to 18,923,008.80, 28,384,513.20 and 8,826,650.40

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Solution

The fourth proportional to 18,923,008.80, 28,384,513.20 and 8,826,650.40 is: 13,239,975.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923,008.80 : 28,384,513.20 = 8,826,650.40 : x
  2. Step 2: Convert to fraction form
    18,923,008.80/28,384,513.20 = 8,826,650.40/x
  3. Step 3: Cross multiply
    18,923,008.80x = 28,384,513.20 × 8,826,650.40
  4. Step 4: Simplify right side
    18,923,008.80x = 250,540,174,790,585.28
  5. Step 5: Solve for x
    x = 250,540,174,790,585.28/18,923,008.80
  6. Step 6: Final answer
    x = 13,239,975.60

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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.