Home / 19,836,664.50-29,766,476.48-8,321,100.45

Finding the Fourth Proportional to 19,836,664.50, 29,766,476.48 and 8,321,100.45

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Solution

The fourth proportional to 19,836,664.50, 29,766,476.48 and 8,321,100.45 is: 12,486,466.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836,664.50 : 29,766,476.48 = 8,321,100.45 : x
  2. Step 2: Convert to fraction form
    19,836,664.50/29,766,476.48 = 8,321,100.45/x
  3. Step 3: Cross multiply
    19,836,664.50x = 29,766,476.48 × 8,321,100.45
  4. Step 4: Simplify right side
    19,836,664.50x = 247,689,840,832,642.44
  5. Step 5: Solve for x
    x = 247,689,840,832,642.44/19,836,664.50
  6. Step 6: Final answer
    x = 12,486,466.20

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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.