Home / 18,355,261.80-27,532,892.70-11,188,900.20

Finding the Fourth Proportional to 18,355,261.80, 27,532,892.70 and 11,188,900.20

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Solution

The fourth proportional to 18,355,261.80, 27,532,892.70 and 11,188,900.20 is: 16,783,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355,261.80 : 27,532,892.70 = 11,188,900.20 : x
  2. Step 2: Convert to fraction form
    18,355,261.80/27,532,892.70 = 11,188,900.20/x
  3. Step 3: Cross multiply
    18,355,261.80x = 27,532,892.70 × 11,188,900.20
  4. Step 4: Simplify right side
    18,355,261.80x = 308,062,788,637,608.50
  5. Step 5: Solve for x
    x = 308,062,788,637,608.50/18,355,261.80
  6. Step 6: Final answer
    x = 16,783,350.30

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Similar ratio
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1.5x scale

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.