Home / 11,155,469-16,740,282.09-4,765,769.42

Finding the Fourth Proportional to 11,155,469, 16,740,282.09 and 4,765,769.42

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Solution

The fourth proportional to 11,155,469, 16,740,282.09 and 4,765,769.42 is: 7,151,678.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,155,469 : 16,740,282.09 = 4,765,769.42 : x
  2. Step 2: Convert to fraction form
    11,155,469/16,740,282.09 = 4,765,769.42/x
  3. Step 3: Cross multiply
    11,155,469x = 16,740,282.09 × 4,765,769.42
  4. Step 4: Simplify right side
    11,155,469x = 79,780,324,466,695.69
  5. Step 5: Solve for x
    x = 79,780,324,466,695.69/11,155,469
  6. Step 6: Final answer
    x = 7,151,678.20

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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.