Home / 12,381,692.09-17,086,735.04-6,949,184.09

Finding the Fourth Proportional to 12,381,692.09, 17,086,735.04 and 6,949,184.09

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Solution

The fourth proportional to 12,381,692.09, 17,086,735.04 and 6,949,184.09 is: 9,589,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,381,692.09 : 17,086,735.04 = 6,949,184.09 : x
  2. Step 2: Convert to fraction form
    12,381,692.09/17,086,735.04 = 6,949,184.09/x
  3. Step 3: Cross multiply
    12,381,692.09x = 17,086,735.04 × 6,949,184.09
  4. Step 4: Simplify right side
    12,381,692.09x = 118,738,867,169,833.92
  5. Step 5: Solve for x
    x = 118,738,867,169,833.92/12,381,692.09
  6. Step 6: Final answer
    x = 9,589,874.01

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1.5x scale

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.