Home / 13,488,081.30-20,222,661.15-4,967,313.30

Finding the Fourth Proportional to 13,488,081.30, 20,222,661.15 and 4,967,313.30

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Solution

The fourth proportional to 13,488,081.30, 20,222,661.15 and 4,967,313.30 is: 7,447,485.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,488,081.30 : 20,222,661.15 = 4,967,313.30 : x
  2. Step 2: Convert to fraction form
    13,488,081.30/20,222,661.15 = 4,967,313.30/x
  3. Step 3: Cross multiply
    13,488,081.30x = 20,222,661.15 × 4,967,313.30
  4. Step 4: Simplify right side
    13,488,081.30x = 100,452,293,691,788.28
  5. Step 5: Solve for x
    x = 100,452,293,691,788.28/13,488,081.30
  6. Step 6: Final answer
    x = 7,447,485.78

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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.