Home / 17,522,031.80-26,283,047.70-12,420,198.20

Finding the Fourth Proportional to 17,522,031.80, 26,283,047.70 and 12,420,198.20

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Solution

The fourth proportional to 17,522,031.80, 26,283,047.70 and 12,420,198.20 is: 18,630,297.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,522,031.80 : 26,283,047.70 = 12,420,198.20 : x
  2. Step 2: Convert to fraction form
    17,522,031.80/26,283,047.70 = 12,420,198.20/x
  3. Step 3: Cross multiply
    17,522,031.80x = 26,283,047.70 × 12,420,198.20
  4. Step 4: Simplify right side
    17,522,031.80x = 326,440,661,734,054.12
  5. Step 5: Solve for x
    x = 326,440,661,734,054.12/17,522,031.80
  6. Step 6: Final answer
    x = 18,630,297.30

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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.