Home / 12,129,260.49-16,738,252.38-6,622,618.32

Finding the Fourth Proportional to 12,129,260.49, 16,738,252.38 and 6,622,618.32

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Solution

The fourth proportional to 12,129,260.49, 16,738,252.38 and 6,622,618.32 is: 9,139,143.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,260.49 : 16,738,252.38 = 6,622,618.32 : x
  2. Step 2: Convert to fraction form
    12,129,260.49/16,738,252.38 = 6,622,618.32/x
  3. Step 3: Cross multiply
    12,129,260.49x = 16,738,252.38 × 6,622,618.32
  4. Step 4: Simplify right side
    12,129,260.49x = 110,851,056,856,571.61
  5. Step 5: Solve for x
    x = 110,851,056,856,571.61/12,129,260.49
  6. Step 6: Final answer
    x = 9,139,143.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.