Home / 21,880,612.60-32,850,467.70-12,792,023.80

Finding the Fourth Proportional to 21,880,612.60, 32,850,467.70 and 12,792,023.80

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Solution

The fourth proportional to 21,880,612.60, 32,850,467.70 and 12,792,023.80 is: 19,205,310.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880,612.60 : 32,850,467.70 = 12,792,023.80 : x
  2. Step 2: Convert to fraction form
    21,880,612.60/32,850,467.70 = 12,792,023.80/x
  3. Step 3: Cross multiply
    21,880,612.60x = 32,850,467.70 × 12,792,023.80
  4. Step 4: Simplify right side
    21,880,612.60x = 420,223,964,659,531.25
  5. Step 5: Solve for x
    x = 420,223,964,659,531.25/21,880,612.60
  6. Step 6: Final answer
    x = 19,205,310.76

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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.