Home / 19,836,647.96-29,766,451.53-8,321,083.88

Finding the Fourth Proportional to 19,836,647.96, 29,766,451.53 and 8,321,083.88

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Solution

The fourth proportional to 19,836,647.96, 29,766,451.53 and 8,321,083.88 is: 12,486,441.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,836,647.96 : 29,766,451.53 = 8,321,083.88 : x
  2. Step 2: Convert to fraction form
    19,836,647.96/29,766,451.53 = 8,321,083.88/x
  3. Step 3: Cross multiply
    19,836,647.96x = 29,766,451.53 × 8,321,083.88
  4. Step 4: Simplify right side
    19,836,647.96x = 247,689,139,991,084.34
  5. Step 5: Solve for x
    x = 247,689,139,991,084.34/19,836,647.96
  6. Step 6: Final answer
    x = 12,486,441.28

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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.