Home / 10,647,369.80-15,967,118.10-3,459,138.20

Finding the Fourth Proportional to 10,647,369.80, 15,967,118.10 and 3,459,138.20

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Solution

The fourth proportional to 10,647,369.80, 15,967,118.10 and 3,459,138.20 is: 5,187,428.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647,369.80 : 15,967,118.10 = 3,459,138.20 : x
  2. Step 2: Convert to fraction form
    10,647,369.80/15,967,118.10 = 3,459,138.20/x
  3. Step 3: Cross multiply
    10,647,369.80x = 15,967,118.10 × 3,459,138.20
  4. Step 4: Simplify right side
    10,647,369.80x = 55,232,468,163,621.42
  5. Step 5: Solve for x
    x = 55,232,468,163,621.42/10,647,369.80
  6. Step 6: Final answer
    x = 5,187,428.37

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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.