Home / 18,936,693.63-28,406,236.21-8,004,844.80

Finding the Fourth Proportional to 18,936,693.63, 28,406,236.21 and 8,004,844.80

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Solution

The fourth proportional to 18,936,693.63, 28,406,236.21 and 8,004,844.80 is: 12,007,772.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,936,693.63 : 28,406,236.21 = 8,004,844.80 : x
  2. Step 2: Convert to fraction form
    18,936,693.63/28,406,236.21 = 8,004,844.80/x
  3. Step 3: Cross multiply
    18,936,693.63x = 28,406,236.21 × 8,004,844.80
  4. Step 4: Simplify right side
    18,936,693.63x = 227,387,512,193,178.09
  5. Step 5: Solve for x
    x = 227,387,512,193,178.09/18,936,693.63
  6. Step 6: Final answer
    x = 12,007,772.67

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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.