Home / 18,362,462.40-27,512,200.80-8,757,158.40

Finding the Fourth Proportional to 18,362,462.40, 27,512,200.80 and 8,757,158.40

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Solution

The fourth proportional to 18,362,462.40, 27,512,200.80 and 8,757,158.40 is: 13,120,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,362,462.40 : 27,512,200.80 = 8,757,158.40 : x
  2. Step 2: Convert to fraction form
    18,362,462.40/27,512,200.80 = 8,757,158.40/x
  3. Step 3: Cross multiply
    18,362,462.40x = 27,512,200.80 × 8,757,158.40
  4. Step 4: Simplify right side
    18,362,462.40x = 240,928,700,338,206.75
  5. Step 5: Solve for x
    x = 240,928,700,338,206.75/18,362,462.40
  6. Step 6: Final answer
    x = 13,120,718.51

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1.5x scale

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.