Home / 12,781,634.20-19,172,845.02-5,589,466

Finding the Fourth Proportional to 12,781,634.20, 19,172,845.02 and 5,589,466

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Solution

The fourth proportional to 12,781,634.20, 19,172,845.02 and 5,589,466 is: 8,384,371.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,781,634.20 : 19,172,845.02 = 5,589,466 : x
  2. Step 2: Convert to fraction form
    12,781,634.20/19,172,845.02 = 5,589,466/x
  3. Step 3: Cross multiply
    12,781,634.20x = 19,172,845.02 × 5,589,466
  4. Step 4: Simplify right side
    12,781,634.20x = 107,165,965,362,559.31
  5. Step 5: Solve for x
    x = 107,165,965,362,559.31/12,781,634.20
  6. Step 6: Final answer
    x = 8,384,371.18

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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.