Home / 12,482,200.80-18,723,301.20-11,038,975.20

Finding the Fourth Proportional to 12,482,200.80, 18,723,301.20 and 11,038,975.20

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Solution

The fourth proportional to 12,482,200.80, 18,723,301.20 and 11,038,975.20 is: 16,558,462.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482,200.80 : 18,723,301.20 = 11,038,975.20 : x
  2. Step 2: Convert to fraction form
    12,482,200.80/18,723,301.20 = 11,038,975.20/x
  3. Step 3: Cross multiply
    12,482,200.80x = 18,723,301.20 × 11,038,975.20
  4. Step 4: Simplify right side
    12,482,200.80x = 206,686,057,608,930.22
  5. Step 5: Solve for x
    x = 206,686,057,608,930.22/12,482,200.80
  6. Step 6: Final answer
    x = 16,558,462.80

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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.