Home / 20,008,777-27,610,829.70-11,188,955.56

Finding the Fourth Proportional to 20,008,777, 27,610,829.70 and 11,188,955.56

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Solution

The fourth proportional to 20,008,777, 27,610,829.70 and 11,188,955.56 is: 15,440,041.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,008,777 : 27,610,829.70 = 11,188,955.56 : x
  2. Step 2: Convert to fraction form
    20,008,777/27,610,829.70 = 11,188,955.56/x
  3. Step 3: Cross multiply
    20,008,777x = 27,610,829.70 × 11,188,955.56
  4. Step 4: Simplify right side
    20,008,777x = 308,936,346,488,028.12
  5. Step 5: Solve for x
    x = 308,936,346,488,028.12/20,008,777
  6. Step 6: Final answer
    x = 15,440,041.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.