Home / 21,530,884.60-32,259,766.90-12,993,281.40

Finding the Fourth Proportional to 21,530,884.60, 32,259,766.90 and 12,993,281.40

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Solution

The fourth proportional to 21,530,884.60, 32,259,766.90 and 12,993,281.40 is: 19,467,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,530,884.60 : 32,259,766.90 = 12,993,281.40 : x
  2. Step 2: Convert to fraction form
    21,530,884.60/32,259,766.90 = 12,993,281.40/x
  3. Step 3: Cross multiply
    21,530,884.60x = 32,259,766.90 × 12,993,281.40
  4. Step 4: Simplify right side
    21,530,884.60x = 419,160,229,230,105.62
  5. Step 5: Solve for x
    x = 419,160,229,230,105.62/21,530,884.60
  6. Step 6: Final answer
    x = 19,467,859.17

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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.