Home / 13,614,028.14-18,787,362.75-7,419,076.55

Finding the Fourth Proportional to 13,614,028.14, 18,787,362.75 and 7,419,076.55

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Solution

The fourth proportional to 13,614,028.14, 18,787,362.75 and 7,419,076.55 is: 10,238,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,614,028.14 : 18,787,362.75 = 7,419,076.55 : x
  2. Step 2: Convert to fraction form
    13,614,028.14/18,787,362.75 = 7,419,076.55/x
  3. Step 3: Cross multiply
    13,614,028.14x = 18,787,362.75 × 7,419,076.55
  4. Step 4: Simplify right side
    13,614,028.14x = 139,384,882,320,931.70
  5. Step 5: Solve for x
    x = 139,384,882,320,931.70/13,614,028.14
  6. Step 6: Final answer
    x = 10,238,327.77

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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.