Home / 12,382,974.80-18,565,982.40-6,305,942.96

Finding the Fourth Proportional to 12,382,974.80, 18,565,982.40 and 6,305,942.96

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Solution

The fourth proportional to 12,382,974.80, 18,565,982.40 and 6,305,942.96 is: 9,454,596.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,382,974.80 : 18,565,982.40 = 6,305,942.96 : x
  2. Step 2: Convert to fraction form
    12,382,974.80/18,565,982.40 = 6,305,942.96/x
  3. Step 3: Cross multiply
    12,382,974.80x = 18,565,982.40 × 6,305,942.96
  4. Step 4: Simplify right side
    12,382,974.80x = 117,076,026,010,763.89
  5. Step 5: Solve for x
    x = 117,076,026,010,763.89/12,382,974.80
  6. Step 6: Final answer
    x = 9,454,596.16

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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.