Home / 16,929,643.80-25,394,465.70-12,182,104.20

Finding the Fourth Proportional to 16,929,643.80, 25,394,465.70 and 12,182,104.20

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Solution

The fourth proportional to 16,929,643.80, 25,394,465.70 and 12,182,104.20 is: 18,273,156.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,929,643.80 : 25,394,465.70 = 12,182,104.20 : x
  2. Step 2: Convert to fraction form
    16,929,643.80/25,394,465.70 = 12,182,104.20/x
  3. Step 3: Cross multiply
    16,929,643.80x = 25,394,465.70 × 12,182,104.20
  4. Step 4: Simplify right side
    16,929,643.80x = 309,358,027,260,725.94
  5. Step 5: Solve for x
    x = 309,358,027,260,725.94/16,929,643.80
  6. Step 6: Final answer
    x = 18,273,156.30

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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.