Home / 21,933,517.60-30,269,200.02-12,143,961.50

Finding the Fourth Proportional to 21,933,517.60, 30,269,200.02 and 12,143,961.50

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Solution

The fourth proportional to 21,933,517.60, 30,269,200.02 and 12,143,961.50 is: 16,759,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,933,517.60 : 30,269,200.02 = 12,143,961.50 : x
  2. Step 2: Convert to fraction form
    21,933,517.60/30,269,200.02 = 12,143,961.50/x
  3. Step 3: Cross multiply
    21,933,517.60x = 30,269,200.02 × 12,143,961.50
  4. Step 4: Simplify right side
    21,933,517.60x = 367,587,999,678,679.25
  5. Step 5: Solve for x
    x = 367,587,999,678,679.25/21,933,517.60
  6. Step 6: Final answer
    x = 16,759,190.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.