Home / 13,540,487.52-20,315,787.36-5,455,756.80

Finding the Fourth Proportional to 13,540,487.52, 20,315,787.36 and 5,455,756.80

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Solution

The fourth proportional to 13,540,487.52, 20,315,787.36 and 5,455,756.80 is: 8,185,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,540,487.52 : 20,315,787.36 = 5,455,756.80 : x
  2. Step 2: Convert to fraction form
    13,540,487.52/20,315,787.36 = 5,455,756.80/x
  3. Step 3: Cross multiply
    13,540,487.52x = 20,315,787.36 × 5,455,756.80
  4. Step 4: Simplify right side
    13,540,487.52x = 110,837,995,036,674.05
  5. Step 5: Solve for x
    x = 110,837,995,036,674.05/13,540,487.52
  6. Step 6: Final answer
    x = 8,185,672.40

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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.