Home / 21,476,441.25-29,637,493.79-11,818,649.25

Finding the Fourth Proportional to 21,476,441.25, 29,637,493.79 and 11,818,649.25

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Solution

The fourth proportional to 21,476,441.25, 29,637,493.79 and 11,818,649.25 is: 16,309,738.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476,441.25 : 29,637,493.79 = 11,818,649.25 : x
  2. Step 2: Convert to fraction form
    21,476,441.25/29,637,493.79 = 11,818,649.25/x
  3. Step 3: Cross multiply
    21,476,441.25x = 29,637,493.79 × 11,818,649.25
  4. Step 4: Simplify right side
    21,476,441.25x = 350,275,143,693,969.94
  5. Step 5: Solve for x
    x = 350,275,143,693,969.94/21,476,441.25
  6. Step 6: Final answer
    x = 16,309,738.64

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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.