Home / 12,781,634.50-19,172,845.41-5,589,466.30

Finding the Fourth Proportional to 12,781,634.50, 19,172,845.41 and 5,589,466.30

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Solution

The fourth proportional to 12,781,634.50, 19,172,845.41 and 5,589,466.30 is: 8,384,371.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,634.50 : 19,172,845.41 = 5,589,466.30 : x
  2. Step 2: Convert to fraction form
    12,781,634.50/19,172,845.41 = 5,589,466.30/x
  3. Step 3: Cross multiply
    12,781,634.50x = 19,172,845.41 × 5,589,466.30
  4. Step 4: Simplify right side
    12,781,634.50x = 107,165,973,294,304.69
  5. Step 5: Solve for x
    x = 107,165,973,294,304.69/12,781,634.50
  6. Step 6: Final answer
    x = 8,384,371.60

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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.