Home / 21,476,238-29,637,213.30-11,818,446

Finding the Fourth Proportional to 21,476,238, 29,637,213.30 and 11,818,446

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Solution

The fourth proportional to 21,476,238, 29,637,213.30 and 11,818,446 is: 16,309,458.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476,238 : 29,637,213.30 = 11,818,446 : x
  2. Step 2: Convert to fraction form
    21,476,238/29,637,213.30 = 11,818,446/x
  3. Step 3: Cross multiply
    21,476,238x = 29,637,213.30 × 11,818,446
  4. Step 4: Simplify right side
    21,476,238x = 350,265,804,976,531.81
  5. Step 5: Solve for x
    x = 350,265,804,976,531.81/21,476,238
  6. Step 6: Final answer
    x = 16,309,458.15

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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.