Home / 10,996,661.80-16,494,992.70-10,279,216.45

Finding the Fourth Proportional to 10,996,661.80, 16,494,992.70 and 10,279,216.45

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Solution

The fourth proportional to 10,996,661.80, 16,494,992.70 and 10,279,216.45 is: 15,418,824.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,996,661.80 : 16,494,992.70 = 10,279,216.45 : x
  2. Step 2: Convert to fraction form
    10,996,661.80/16,494,992.70 = 10,279,216.45/x
  3. Step 3: Cross multiply
    10,996,661.80x = 16,494,992.70 × 10,279,216.45
  4. Step 4: Simplify right side
    10,996,661.80x = 169,555,600,304,469.91
  5. Step 5: Solve for x
    x = 169,555,600,304,469.91/10,996,661.80
  6. Step 6: Final answer
    x = 15,418,824.68

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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.