Home / 8,581,012.09-11,832,092.62-5,479,457.29

Finding the Fourth Proportional to 8,581,012.09, 11,832,092.62 and 5,479,457.29

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Solution

The fourth proportional to 8,581,012.09, 11,832,092.62 and 5,479,457.29 is: 7,555,454.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581,012.09 : 11,832,092.62 = 5,479,457.29 : x
  2. Step 2: Convert to fraction form
    8,581,012.09/11,832,092.62 = 5,479,457.29/x
  3. Step 3: Cross multiply
    8,581,012.09x = 11,832,092.62 × 5,479,457.29
  4. Step 4: Simplify right side
    8,581,012.09x = 64,833,446,162,614.20
  5. Step 5: Solve for x
    x = 64,833,446,162,614.20/8,581,012.09
  6. Step 6: Final answer
    x = 7,555,454.47

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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.