Home / 18,132,568.27-25,022,709.49-9,872,535.81

Finding the Fourth Proportional to 18,132,568.27, 25,022,709.49 and 9,872,535.81

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Solution

The fourth proportional to 18,132,568.27, 25,022,709.49 and 9,872,535.81 is: 13,623,971.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,132,568.27 : 25,022,709.49 = 9,872,535.81 : x
  2. Step 2: Convert to fraction form
    18,132,568.27/25,022,709.49 = 9,872,535.81/x
  3. Step 3: Cross multiply
    18,132,568.27x = 25,022,709.49 × 9,872,535.81
  4. Step 4: Simplify right side
    18,132,568.27x = 247,037,595,450,163.94
  5. Step 5: Solve for x
    x = 247,037,595,450,163.94/18,132,568.27
  6. Step 6: Final answer
    x = 13,623,971.62

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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.