Home / 10,752,407.40-16,128,611.10-7,169,226.60

Finding the Fourth Proportional to 10,752,407.40, 16,128,611.10 and 7,169,226.60

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Solution

The fourth proportional to 10,752,407.40, 16,128,611.10 and 7,169,226.60 is: 10,753,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,752,407.40 : 16,128,611.10 = 7,169,226.60 : x
  2. Step 2: Convert to fraction form
    10,752,407.40/16,128,611.10 = 7,169,226.60/x
  3. Step 3: Cross multiply
    10,752,407.40x = 16,128,611.10 × 7,169,226.60
  4. Step 4: Simplify right side
    10,752,407.40x = 115,629,667,719,175.25
  5. Step 5: Solve for x
    x = 115,629,667,719,175.25/10,752,407.40
  6. Step 6: Final answer
    x = 10,753,839.90

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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.