Home / 21,376,650.75-29,498,987.73-11,586,884.75

Finding the Fourth Proportional to 21,376,650.75, 29,498,987.73 and 11,586,884.75

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Solution

The fourth proportional to 21,376,650.75, 29,498,987.73 and 11,586,884.75 is: 15,989,472.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,376,650.75 : 29,498,987.73 = 11,586,884.75 : x
  2. Step 2: Convert to fraction form
    21,376,650.75/29,498,987.73 = 11,586,884.75/x
  3. Step 3: Cross multiply
    21,376,650.75x = 29,498,987.73 × 11,586,884.75
  4. Step 4: Simplify right side
    21,376,650.75x = 341,801,371,011,239.69
  5. Step 5: Solve for x
    x = 341,801,371,011,239.69/21,376,650.75
  6. Step 6: Final answer
    x = 15,989,472.58

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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.