Home / 21,649,351.16-29,876,140.62-11,859,581.92

Finding the Fourth Proportional to 21,649,351.16, 29,876,140.62 and 11,859,581.92

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Solution

The fourth proportional to 21,649,351.16, 29,876,140.62 and 11,859,581.92 is: 16,366,242.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649,351.16 : 29,876,140.62 = 11,859,581.92 : x
  2. Step 2: Convert to fraction form
    21,649,351.16/29,876,140.62 = 11,859,581.92/x
  3. Step 3: Cross multiply
    21,649,351.16x = 29,876,140.62 × 11,859,581.92
  4. Step 4: Simplify right side
    21,649,351.16x = 354,318,537,136,329.62
  5. Step 5: Solve for x
    x = 354,318,537,136,329.62/21,649,351.16
  6. Step 6: Final answer
    x = 16,366,242.78

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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.