Home / 13,015,199.90-19,524,432.78-3,915,880.22

Finding the Fourth Proportional to 13,015,199.90, 19,524,432.78 and 3,915,880.22

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Solution

The fourth proportional to 13,015,199.90, 19,524,432.78 and 3,915,880.22 is: 5,874,311.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,015,199.90 : 19,524,432.78 = 3,915,880.22 : x
  2. Step 2: Convert to fraction form
    13,015,199.90/19,524,432.78 = 3,915,880.22/x
  3. Step 3: Cross multiply
    13,015,199.90x = 19,524,432.78 × 3,915,880.22
  4. Step 4: Simplify right side
    13,015,199.90x = 76,455,340,129,921.62
  5. Step 5: Solve for x
    x = 76,455,340,129,921.62/13,015,199.90
  6. Step 6: Final answer
    x = 5,874,311.63

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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.