Home / 13,152,195.55-18,150,662.46-7,271,720.92

Finding the Fourth Proportional to 13,152,195.55, 18,150,662.46 and 7,271,720.92

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Solution

The fourth proportional to 13,152,195.55, 18,150,662.46 and 7,271,720.92 is: 10,035,324.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,152,195.55 : 18,150,662.46 = 7,271,720.92 : x
  2. Step 2: Convert to fraction form
    13,152,195.55/18,150,662.46 = 7,271,720.92/x
  3. Step 3: Cross multiply
    13,152,195.55x = 18,150,662.46 × 7,271,720.92
  4. Step 4: Simplify right side
    13,152,195.55x = 131,986,551,922,240.67
  5. Step 5: Solve for x
    x = 131,986,551,922,240.67/13,152,195.55
  6. Step 6: Final answer
    x = 10,035,324.63

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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.