Home / 13,440,399.20-20,163,223.20-5,351,998.40

Finding the Fourth Proportional to 13,440,399.20, 20,163,223.20 and 5,351,998.40

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Solution

The fourth proportional to 13,440,399.20, 20,163,223.20 and 5,351,998.40 is: 8,029,042.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,440,399.20 : 20,163,223.20 = 5,351,998.40 : x
  2. Step 2: Convert to fraction form
    13,440,399.20/20,163,223.20 = 5,351,998.40/x
  3. Step 3: Cross multiply
    13,440,399.20x = 20,163,223.20 × 5,351,998.40
  4. Step 4: Simplify right side
    13,440,399.20x = 107,913,538,305,242.89
  5. Step 5: Solve for x
    x = 107,913,538,305,242.89/13,440,399.20
  6. Step 6: Final answer
    x = 8,029,042.64

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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.