Home / 11,618,609.43-17,428,481.55-4,428,803.19

Finding the Fourth Proportional to 11,618,609.43, 17,428,481.55 and 4,428,803.19

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Solution

The fourth proportional to 11,618,609.43, 17,428,481.55 and 4,428,803.19 is: 6,643,421.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618,609.43 : 17,428,481.55 = 4,428,803.19 : x
  2. Step 2: Convert to fraction form
    11,618,609.43/17,428,481.55 = 4,428,803.19/x
  3. Step 3: Cross multiply
    11,618,609.43x = 17,428,481.55 × 4,428,803.19
  4. Step 4: Simplify right side
    11,618,609.43x = 77,187,314,685,496.16
  5. Step 5: Solve for x
    x = 77,187,314,685,496.16/11,618,609.43
  6. Step 6: Final answer
    x = 6,643,421.07

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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.