Home / 11,866,194-17,798,396.76-3,778,842.96

Finding the Fourth Proportional to 11,866,194, 17,798,396.76 and 3,778,842.96

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Solution

The fourth proportional to 11,866,194, 17,798,396.76 and 3,778,842.96 is: 5,667,979.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,866,194 : 17,798,396.76 = 3,778,842.96 : x
  2. Step 2: Convert to fraction form
    11,866,194/17,798,396.76 = 3,778,842.96/x
  3. Step 3: Cross multiply
    11,866,194x = 17,798,396.76 × 3,778,842.96
  4. Step 4: Simplify right side
    11,866,194x = 67,257,346,295,812.81
  5. Step 5: Solve for x
    x = 67,257,346,295,812.81/11,866,194
  6. Step 6: Final answer
    x = 5,667,979.67

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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.