Home / 12,242,890.80-18,365,027.40-3,723,505.20

Finding the Fourth Proportional to 12,242,890.80, 18,365,027.40 and 3,723,505.20

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Solution

The fourth proportional to 12,242,890.80, 18,365,027.40 and 3,723,505.20 is: 5,585,468.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242,890.80 : 18,365,027.40 = 3,723,505.20 : x
  2. Step 2: Convert to fraction form
    12,242,890.80/18,365,027.40 = 3,723,505.20/x
  3. Step 3: Cross multiply
    12,242,890.80x = 18,365,027.40 × 3,723,505.20
  4. Step 4: Simplify right side
    12,242,890.80x = 68,382,275,022,042.48
  5. Step 5: Solve for x
    x = 68,382,275,022,042.48/12,242,890.80
  6. Step 6: Final answer
    x = 5,585,468.02

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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.