Home / 13,542,345.50-20,313,282.94-5,455,114.40

Finding the Fourth Proportional to 13,542,345.50, 20,313,282.94 and 5,455,114.40

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Solution

The fourth proportional to 13,542,345.50, 20,313,282.94 and 5,455,114.40 is: 8,182,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542,345.50 : 20,313,282.94 = 5,455,114.40 : x
  2. Step 2: Convert to fraction form
    13,542,345.50/20,313,282.94 = 5,455,114.40/x
  3. Step 3: Cross multiply
    13,542,345.50x = 20,313,282.94 × 5,455,114.40
  4. Step 4: Simplify right side
    13,542,345.50x = 110,811,282,277,268.34
  5. Step 5: Solve for x
    x = 110,811,282,277,268.34/13,542,345.50
  6. Step 6: Final answer
    x = 8,182,576.81

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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.