Home / 11,861,189.76-16,356,215.04-10,147,981.44

Finding the Fourth Proportional to 11,861,189.76, 16,356,215.04 and 10,147,981.44

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Solution

The fourth proportional to 11,861,189.76, 16,356,215.04 and 10,147,981.44 is: 13,993,753.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,861,189.76 : 16,356,215.04 = 10,147,981.44 : x
  2. Step 2: Convert to fraction form
    11,861,189.76/16,356,215.04 = 10,147,981.44/x
  3. Step 3: Cross multiply
    11,861,189.76x = 16,356,215.04 × 10,147,981.44
  4. Step 4: Simplify right side
    11,861,189.76x = 165,982,566,654,568.84
  5. Step 5: Solve for x
    x = 165,982,566,654,568.84/11,861,189.76
  6. Step 6: Final answer
    x = 13,993,753.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.