Home / 13,066,578.28-19,604,360.94-7,679,735.56

Finding the Fourth Proportional to 13,066,578.28, 19,604,360.94 and 7,679,735.56

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Solution

The fourth proportional to 13,066,578.28, 19,604,360.94 and 7,679,735.56 is: 11,522,244.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,066,578.28 : 19,604,360.94 = 7,679,735.56 : x
  2. Step 2: Convert to fraction form
    13,066,578.28/19,604,360.94 = 7,679,735.56/x
  3. Step 3: Cross multiply
    13,066,578.28x = 19,604,360.94 × 7,679,735.56
  4. Step 4: Simplify right side
    13,066,578.28x = 150,556,307,841,993.03
  5. Step 5: Solve for x
    x = 150,556,307,841,993.03/13,066,578.28
  6. Step 6: Final answer
    x = 11,522,244.36

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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.