Home / 21,728,167.80-32,592,251.70-8,263,246.20

Finding the Fourth Proportional to 21,728,167.80, 32,592,251.70 and 8,263,246.20

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Solution

The fourth proportional to 21,728,167.80, 32,592,251.70 and 8,263,246.20 is: 12,394,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,728,167.80 : 32,592,251.70 = 8,263,246.20 : x
  2. Step 2: Convert to fraction form
    21,728,167.80/32,592,251.70 = 8,263,246.20/x
  3. Step 3: Cross multiply
    21,728,167.80x = 32,592,251.70 × 8,263,246.20
  4. Step 4: Simplify right side
    21,728,167.80x = 269,317,800,009,468.53
  5. Step 5: Solve for x
    x = 269,317,800,009,468.53/21,728,167.80
  6. Step 6: Final answer
    x = 12,394,869.30

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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.