Home / 10,753,081.20-16,129,621.80-9,757,753.20

Finding the Fourth Proportional to 10,753,081.20, 16,129,621.80 and 9,757,753.20

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Solution

The fourth proportional to 10,753,081.20, 16,129,621.80 and 9,757,753.20 is: 14,636,629.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,753,081.20 : 16,129,621.80 = 9,757,753.20 : x
  2. Step 2: Convert to fraction form
    10,753,081.20/16,129,621.80 = 9,757,753.20/x
  3. Step 3: Cross multiply
    10,753,081.20x = 16,129,621.80 × 9,757,753.20
  4. Step 4: Simplify right side
    10,753,081.20x = 157,388,868,733,739.75
  5. Step 5: Solve for x
    x = 157,388,868,733,739.75/10,753,081.20
  6. Step 6: Final answer
    x = 14,636,629.80

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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.