Home / 10,504,029.20-15,756,043.80-8,992,374.80

Finding the Fourth Proportional to 10,504,029.20, 15,756,043.80 and 8,992,374.80

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Solution

The fourth proportional to 10,504,029.20, 15,756,043.80 and 8,992,374.80 is: 13,488,562.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,504,029.20 : 15,756,043.80 = 8,992,374.80 : x
  2. Step 2: Convert to fraction form
    10,504,029.20/15,756,043.80 = 8,992,374.80/x
  3. Step 3: Cross multiply
    10,504,029.20x = 15,756,043.80 × 8,992,374.80
  4. Step 4: Simplify right side
    10,504,029.20x = 141,684,251,214,816.25
  5. Step 5: Solve for x
    x = 141,684,251,214,816.25/10,504,029.20
  6. Step 6: Final answer
    x = 13,488,562.20

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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.