Home / 12,132,933.47-18,164,081.45-6,361,982.43

Finding the Fourth Proportional to 12,132,933.47, 18,164,081.45 and 6,361,982.43

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Solution

The fourth proportional to 12,132,933.47, 18,164,081.45 and 6,361,982.43 is: 9,524,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,132,933.47 : 18,164,081.45 = 6,361,982.43 : x
  2. Step 2: Convert to fraction form
    12,132,933.47/18,164,081.45 = 6,361,982.43/x
  3. Step 3: Cross multiply
    12,132,933.47x = 18,164,081.45 × 6,361,982.43
  4. Step 4: Simplify right side
    12,132,933.47x = 115,559,567,010,179.02
  5. Step 5: Solve for x
    x = 115,559,567,010,179.02/12,132,933.47
  6. Step 6: Final answer
    x = 9,524,454.03

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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.