Home / 21,696,262.43-29,938,863.15-12,874,193.30

Finding the Fourth Proportional to 21,696,262.43, 29,938,863.15 and 12,874,193.30

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Solution

The fourth proportional to 21,696,262.43, 29,938,863.15 and 12,874,193.30 is: 17,765,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,696,262.43 : 29,938,863.15 = 12,874,193.30 : x
  2. Step 2: Convert to fraction form
    21,696,262.43/29,938,863.15 = 12,874,193.30/x
  3. Step 3: Cross multiply
    21,696,262.43x = 29,938,863.15 × 12,874,193.30
  4. Step 4: Simplify right side
    21,696,262.43x = 385,438,711,450,194.06
  5. Step 5: Solve for x
    x = 385,438,711,450,194.06/21,696,262.43
  6. Step 6: Final answer
    x = 17,765,212.45

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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.