Home / 13,066,211.20-19,601,933-7,317,120.60

Finding the Fourth Proportional to 13,066,211.20, 19,601,933 and 7,317,120.60

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Solution

The fourth proportional to 13,066,211.20, 19,601,933 and 7,317,120.60 is: 10,977,145.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066,211.20 : 19,601,933 = 7,317,120.60 : x
  2. Step 2: Convert to fraction form
    13,066,211.20/19,601,933 = 7,317,120.60/x
  3. Step 3: Cross multiply
    13,066,211.20x = 19,601,933 × 7,317,120.60
  4. Step 4: Simplify right side
    13,066,211.20x = 143,429,707,754,119.78
  5. Step 5: Solve for x
    x = 143,429,707,754,119.78/13,066,211.20
  6. Step 6: Final answer
    x = 10,977,145.98

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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.