Home / 13,017,380.40-17,965,973.34-8,309,809.44

Finding the Fourth Proportional to 13,017,380.40, 17,965,973.34 and 8,309,809.44

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Solution

The fourth proportional to 13,017,380.40, 17,965,973.34 and 8,309,809.44 is: 11,468,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,017,380.40 : 17,965,973.34 = 8,309,809.44 : x
  2. Step 2: Convert to fraction form
    13,017,380.40/17,965,973.34 = 8,309,809.44/x
  3. Step 3: Cross multiply
    13,017,380.40x = 17,965,973.34 × 8,309,809.44
  4. Step 4: Simplify right side
    13,017,380.40x = 149,293,814,859,520.34
  5. Step 5: Solve for x
    x = 149,293,814,859,520.34/13,017,380.40
  6. Step 6: Final answer
    x = 11,468,806.34

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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.