Home / 13,483,859.30-20,226,379.17-3,900,206.60

Finding the Fourth Proportional to 13,483,859.30, 20,226,379.17 and 3,900,206.60

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Solution

The fourth proportional to 13,483,859.30, 20,226,379.17 and 3,900,206.60 is: 5,850,480.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,483,859.30 : 20,226,379.17 = 3,900,206.60 : x
  2. Step 2: Convert to fraction form
    13,483,859.30/20,226,379.17 = 3,900,206.60/x
  3. Step 3: Cross multiply
    13,483,859.30x = 20,226,379.17 × 3,900,206.60
  4. Step 4: Simplify right side
    13,483,859.30x = 78,887,057,431,804.64
  5. Step 5: Solve for x
    x = 78,887,057,431,804.64/13,483,859.30
  6. Step 6: Final answer
    x = 5,850,480.62

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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.