Home / 10,761,857.40-16,142,786.10-6,954,727.80

Finding the Fourth Proportional to 10,761,857.40, 16,142,786.10 and 6,954,727.80

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Solution

The fourth proportional to 10,761,857.40, 16,142,786.10 and 6,954,727.80 is: 10,432,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,761,857.40 : 16,142,786.10 = 6,954,727.80 : x
  2. Step 2: Convert to fraction form
    10,761,857.40/16,142,786.10 = 6,954,727.80/x
  3. Step 3: Cross multiply
    10,761,857.40x = 16,142,786.10 × 6,954,727.80
  4. Step 4: Simplify right side
    10,761,857.40x = 112,268,683,259,123.58
  5. Step 5: Solve for x
    x = 112,268,683,259,123.58/10,761,857.40
  6. Step 6: Final answer
    x = 10,432,091.70

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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.