Home / 21,581,756.31-29,781,937.46-11,792,536.55

Finding the Fourth Proportional to 21,581,756.31, 29,781,937.46 and 11,792,536.55

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Solution

The fourth proportional to 21,581,756.31, 29,781,937.46 and 11,792,536.55 is: 16,273,216.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,581,756.31 : 29,781,937.46 = 11,792,536.55 : x
  2. Step 2: Convert to fraction form
    21,581,756.31/29,781,937.46 = 11,792,536.55/x
  3. Step 3: Cross multiply
    21,581,756.31x = 29,781,937.46 × 11,792,536.55
  4. Step 4: Simplify right side
    21,581,756.31x = 351,204,585,907,435.81
  5. Step 5: Solve for x
    x = 351,204,585,907,435.81/21,581,756.31
  6. Step 6: Final answer
    x = 16,273,216.18

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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.