Home / 12,382,922.80-18,558,637.80-5,979,386.80

Finding the Fourth Proportional to 12,382,922.80, 18,558,637.80 and 5,979,386.80

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Solution

The fourth proportional to 12,382,922.80, 18,558,637.80 and 5,979,386.80 is: 8,961,476.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,922.80 : 18,558,637.80 = 5,979,386.80 : x
  2. Step 2: Convert to fraction form
    12,382,922.80/18,558,637.80 = 5,979,386.80/x
  3. Step 3: Cross multiply
    12,382,922.80x = 18,558,637.80 × 5,979,386.80
  4. Step 4: Simplify right side
    12,382,922.80x = 110,969,273,887,301.05
  5. Step 5: Solve for x
    x = 110,969,273,887,301.05/12,382,922.80
  6. Step 6: Final answer
    x = 8,961,476.68

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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.