Home / 13,621,704.84-20,431,966.32-3,386,350.44

Finding the Fourth Proportional to 13,621,704.84, 20,431,966.32 and 3,386,350.44

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Solution

The fourth proportional to 13,621,704.84, 20,431,966.32 and 3,386,350.44 is: 5,079,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,621,704.84 : 20,431,966.32 = 3,386,350.44 : x
  2. Step 2: Convert to fraction form
    13,621,704.84/20,431,966.32 = 3,386,350.44/x
  3. Step 3: Cross multiply
    13,621,704.84x = 20,431,966.32 × 3,386,350.44
  4. Step 4: Simplify right side
    13,621,704.84x = 69,189,798,137,797.18
  5. Step 5: Solve for x
    x = 69,189,798,137,797.18/13,621,704.84
  6. Step 6: Final answer
    x = 5,079,378.75

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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.