Home / 12,269,319.80-18,403,979.70-3,633,731.60

Finding the Fourth Proportional to 12,269,319.80, 18,403,979.70 and 3,633,731.60

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Solution

The fourth proportional to 12,269,319.80, 18,403,979.70 and 3,633,731.60 is: 5,450,597.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269,319.80 : 18,403,979.70 = 3,633,731.60 : x
  2. Step 2: Convert to fraction form
    12,269,319.80/18,403,979.70 = 3,633,731.60/x
  3. Step 3: Cross multiply
    12,269,319.80x = 18,403,979.70 × 3,633,731.60
  4. Step 4: Simplify right side
    12,269,319.80x = 66,875,122,601,648.52
  5. Step 5: Solve for x
    x = 66,875,122,601,648.52/12,269,319.80
  6. Step 6: Final answer
    x = 5,450,597.40

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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.