Home / 21,061,214.74-29,063,918.82-11,768,861.17

Finding the Fourth Proportional to 21,061,214.74, 29,063,918.82 and 11,768,861.17

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Solution

The fourth proportional to 21,061,214.74, 29,063,918.82 and 11,768,861.17 is: 16,240,716.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,061,214.74 : 29,063,918.82 = 11,768,861.17 : x
  2. Step 2: Convert to fraction form
    21,061,214.74/29,063,918.82 = 11,768,861.17/x
  3. Step 3: Cross multiply
    21,061,214.74x = 29,063,918.82 × 11,768,861.17
  4. Step 4: Simplify right side
    21,061,214.74x = 342,049,225,444,566.31
  5. Step 5: Solve for x
    x = 342,049,225,444,566.31/21,061,214.74
  6. Step 6: Final answer
    x = 16,240,716.87

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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.