Home / 21,880,592.60-32,850,437.70-12,792,003.80

Finding the Fourth Proportional to 21,880,592.60, 32,850,437.70 and 12,792,003.80

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Solution

The fourth proportional to 21,880,592.60, 32,850,437.70 and 12,792,003.80 is: 19,205,280.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,880,592.60 : 32,850,437.70 = 12,792,003.80 : x
  2. Step 2: Convert to fraction form
    21,880,592.60/32,850,437.70 = 12,792,003.80/x
  3. Step 3: Cross multiply
    21,880,592.60x = 32,850,437.70 × 12,792,003.80
  4. Step 4: Simplify right side
    21,880,592.60x = 420,222,923,890,063.25
  5. Step 5: Solve for x
    x = 420,222,923,890,063.25/21,880,592.60
  6. Step 6: Final answer
    x = 19,205,280.75

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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.