Home / 21,476,401.75-29,637,439.28-11,818,609.75

Finding the Fourth Proportional to 21,476,401.75, 29,637,439.28 and 11,818,609.75

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Solution

The fourth proportional to 21,476,401.75, 29,637,439.28 and 11,818,609.75 is: 16,309,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476,401.75 : 29,637,439.28 = 11,818,609.75 : x
  2. Step 2: Convert to fraction form
    21,476,401.75/29,637,439.28 = 11,818,609.75/x
  3. Step 3: Cross multiply
    21,476,401.75x = 29,637,439.28 × 11,818,609.75
  4. Step 4: Simplify right side
    21,476,401.75x = 350,273,328,839,641
  5. Step 5: Solve for x
    x = 350,273,328,839,641/21,476,401.75
  6. Step 6: Final answer
    x = 16,309,684.13

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1.5x scale

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.