Home / 21,228,136.43-31,836,047.27-8,271,397.09

Finding the Fourth Proportional to 21,228,136.43, 31,836,047.27 and 8,271,397.09

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Solution

The fourth proportional to 21,228,136.43, 31,836,047.27 and 8,271,397.09 is: 12,404,696.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,228,136.43 : 31,836,047.27 = 8,271,397.09 : x
  2. Step 2: Convert to fraction form
    21,228,136.43/31,836,047.27 = 8,271,397.09/x
  3. Step 3: Cross multiply
    21,228,136.43x = 31,836,047.27 × 8,271,397.09
  4. Step 4: Simplify right side
    21,228,136.43x = 263,328,588,625,233.34
  5. Step 5: Solve for x
    x = 263,328,588,625,233.34/21,228,136.43
  6. Step 6: Final answer
    x = 12,404,696.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.