Home / 18,839,989.60-28,263,670.80-8,057,269.60

Finding the Fourth Proportional to 18,839,989.60, 28,263,670.80 and 8,057,269.60

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Solution

The fourth proportional to 18,839,989.60, 28,263,670.80 and 8,057,269.60 is: 12,087,480.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,839,989.60 : 28,263,670.80 = 8,057,269.60 : x
  2. Step 2: Convert to fraction form
    18,839,989.60/28,263,670.80 = 8,057,269.60/x
  3. Step 3: Cross multiply
    18,839,989.60x = 28,263,670.80 × 8,057,269.60
  4. Step 4: Simplify right side
    18,839,989.60x = 227,728,015,521,247.69
  5. Step 5: Solve for x
    x = 227,728,015,521,247.69/18,839,989.60
  6. Step 6: Final answer
    x = 12,087,480.96

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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.