Home / 12,136,649.48-18,198,879.78-4,046,761.52

Finding the Fourth Proportional to 12,136,649.48, 18,198,879.78 and 4,046,761.52

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Solution

The fourth proportional to 12,136,649.48, 18,198,879.78 and 4,046,761.52 is: 6,068,110.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,136,649.48 : 18,198,879.78 = 4,046,761.52 : x
  2. Step 2: Convert to fraction form
    12,136,649.48/18,198,879.78 = 4,046,761.52/x
  3. Step 3: Cross multiply
    12,136,649.48x = 18,198,879.78 × 4,046,761.52
  4. Step 4: Simplify right side
    12,136,649.48x = 73,646,526,400,810.08
  5. Step 5: Solve for x
    x = 73,646,526,400,810.08/12,136,649.48
  6. Step 6: Final answer
    x = 6,068,110.19

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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.