Home / 12,907,042.20-19,356,046.74-3,806,723.52

Finding the Fourth Proportional to 12,907,042.20, 19,356,046.74 and 3,806,723.52

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Solution

The fourth proportional to 12,907,042.20, 19,356,046.74 and 3,806,723.52 is: 5,708,753.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907,042.20 : 19,356,046.74 = 3,806,723.52 : x
  2. Step 2: Convert to fraction form
    12,907,042.20/19,356,046.74 = 3,806,723.52/x
  3. Step 3: Cross multiply
    12,907,042.20x = 19,356,046.74 × 3,806,723.52
  4. Step 4: Simplify right side
    12,907,042.20x = 73,683,118,379,377.31
  5. Step 5: Solve for x
    x = 73,683,118,379,377.31/12,907,042.20
  6. Step 6: Final answer
    x = 5,708,753.19

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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.