Home / 14,517,221.12-20,033,837.28-7,991,506.88

Finding the Fourth Proportional to 14,517,221.12, 20,033,837.28 and 7,991,506.88

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Solution

The fourth proportional to 14,517,221.12, 20,033,837.28 and 7,991,506.88 is: 11,028,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,517,221.12 : 20,033,837.28 = 7,991,506.88 : x
  2. Step 2: Convert to fraction form
    14,517,221.12/20,033,837.28 = 7,991,506.88/x
  3. Step 3: Cross multiply
    14,517,221.12x = 20,033,837.28 × 7,991,506.88
  4. Step 4: Simplify right side
    14,517,221.12x = 160,100,548,455,920.50
  5. Step 5: Solve for x
    x = 160,100,548,455,920.50/14,517,221.12
  6. Step 6: Final answer
    x = 11,028,319.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.