Home / 26,463,619.20-39,695,428.80-11,319,081.60

Finding the Fourth Proportional to 26,463,619.20, 39,695,428.80 and 11,319,081.60

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Solution

The fourth proportional to 26,463,619.20, 39,695,428.80 and 11,319,081.60 is: 16,978,622.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,463,619.20 : 39,695,428.80 = 11,319,081.60 : x
  2. Step 2: Convert to fraction form
    26,463,619.20/39,695,428.80 = 11,319,081.60/x
  3. Step 3: Cross multiply
    26,463,619.20x = 39,695,428.80 × 11,319,081.60
  4. Step 4: Simplify right side
    26,463,619.20x = 449,315,797,734,190.06
  5. Step 5: Solve for x
    x = 449,315,797,734,190.06/26,463,619.20
  6. Step 6: Final answer
    x = 16,978,622.40

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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.