Home / 10,943,081.20-16,389,738.60-6,912,002.80

Finding the Fourth Proportional to 10,943,081.20, 16,389,738.60 and 6,912,002.80

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Solution

The fourth proportional to 10,943,081.20, 16,389,738.60 and 6,912,002.80 is: 10,352,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,943,081.20 : 16,389,738.60 = 6,912,002.80 : x
  2. Step 2: Convert to fraction form
    10,943,081.20/16,389,738.60 = 6,912,002.80/x
  3. Step 3: Cross multiply
    10,943,081.20x = 16,389,738.60 × 6,912,002.80
  4. Step 4: Simplify right side
    10,943,081.20x = 113,285,919,094,468.08
  5. Step 5: Solve for x
    x = 113,285,919,094,468.08/10,943,081.20
  6. Step 6: Final answer
    x = 10,352,287.17

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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.