Home / 15,290,633.82-21,096,321.94-8,674,132.62

Finding the Fourth Proportional to 15,290,633.82, 21,096,321.94 and 8,674,132.62

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Solution

The fourth proportional to 15,290,633.82, 21,096,321.94 and 8,674,132.62 is: 11,967,606.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,290,633.82 : 21,096,321.94 = 8,674,132.62 : x
  2. Step 2: Convert to fraction form
    15,290,633.82/21,096,321.94 = 8,674,132.62/x
  3. Step 3: Cross multiply
    15,290,633.82x = 21,096,321.94 × 8,674,132.62
  4. Step 4: Simplify right side
    15,290,633.82x = 182,992,294,301,775.69
  5. Step 5: Solve for x
    x = 182,992,294,301,775.69/15,290,633.82
  6. Step 6: Final answer
    x = 11,967,606.87

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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.