Home / 13,483,891.80-20,226,428.10-3,900,239.10

Finding the Fourth Proportional to 13,483,891.80, 20,226,428.10 and 3,900,239.10

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Solution

The fourth proportional to 13,483,891.80, 20,226,428.10 and 3,900,239.10 is: 5,850,529.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483,891.80 : 20,226,428.10 = 3,900,239.10 : x
  2. Step 2: Convert to fraction form
    13,483,891.80/20,226,428.10 = 3,900,239.10/x
  3. Step 3: Cross multiply
    13,483,891.80x = 20,226,428.10 × 3,900,239.10
  4. Step 4: Simplify right side
    13,483,891.80x = 78,887,905,728,958.72
  5. Step 5: Solve for x
    x = 78,887,905,728,958.72/13,483,891.80
  6. Step 6: Final answer
    x = 5,850,529.42

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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.