Home / 12,254,985.20-18,382,477.80-3,279,537.20

Finding the Fourth Proportional to 12,254,985.20, 18,382,477.80 and 3,279,537.20

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Solution

The fourth proportional to 12,254,985.20, 18,382,477.80 and 3,279,537.20 is: 4,919,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254,985.20 : 18,382,477.80 = 3,279,537.20 : x
  2. Step 2: Convert to fraction form
    12,254,985.20/18,382,477.80 = 3,279,537.20/x
  3. Step 3: Cross multiply
    12,254,985.20x = 18,382,477.80 × 3,279,537.20
  4. Step 4: Simplify right side
    12,254,985.20x = 60,286,019,773,274.16
  5. Step 5: Solve for x
    x = 60,286,019,773,274.16/12,254,985.20
  6. Step 6: Final answer
    x = 4,919,305.80

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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.