Home / 12,382,923.30-18,558,638.55-5,979,387.30

Finding the Fourth Proportional to 12,382,923.30, 18,558,638.55 and 5,979,387.30

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Solution

The fourth proportional to 12,382,923.30, 18,558,638.55 and 5,979,387.30 is: 8,961,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,923.30 : 18,558,638.55 = 5,979,387.30 : x
  2. Step 2: Convert to fraction form
    12,382,923.30/18,558,638.55 = 5,979,387.30/x
  3. Step 3: Cross multiply
    12,382,923.30x = 18,558,638.55 × 5,979,387.30
  4. Step 4: Simplify right side
    12,382,923.30x = 110,969,287,651,160.42
  5. Step 5: Solve for x
    x = 110,969,287,651,160.42/12,382,923.30
  6. Step 6: Final answer
    x = 8,961,477.43

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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.