Home / 12,345,211.44-18,514,826.40-5,152,846.41

Finding the Fourth Proportional to 12,345,211.44, 18,514,826.40 and 5,152,846.41

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Solution

The fourth proportional to 12,345,211.44, 18,514,826.40 and 5,152,846.41 is: 7,728,021.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345,211.44 : 18,514,826.40 = 5,152,846.41 : x
  2. Step 2: Convert to fraction form
    12,345,211.44/18,514,826.40 = 5,152,846.41/x
  3. Step 3: Cross multiply
    12,345,211.44x = 18,514,826.40 × 5,152,846.41
  4. Step 4: Simplify right side
    12,345,211.44x = 95,404,056,747,013.22
  5. Step 5: Solve for x
    x = 95,404,056,747,013.22/12,345,211.44
  6. Step 6: Final answer
    x = 7,728,021.28

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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.