Home / 12,067,950.80-18,122,921.40-6,399,246.80

Finding the Fourth Proportional to 12,067,950.80, 18,122,921.40 and 6,399,246.80

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Solution

The fourth proportional to 12,067,950.80, 18,122,921.40 and 6,399,246.80 is: 9,610,003.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,067,950.80 : 18,122,921.40 = 6,399,246.80 : x
  2. Step 2: Convert to fraction form
    12,067,950.80/18,122,921.40 = 6,399,246.80/x
  3. Step 3: Cross multiply
    12,067,950.80x = 18,122,921.40 × 6,399,246.80
  4. Step 4: Simplify right side
    12,067,950.80x = 115,973,046,775,601.50
  5. Step 5: Solve for x
    x = 115,973,046,775,601.50/12,067,950.80
  6. Step 6: Final answer
    x = 9,610,003.28

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1.5x scale

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.