Home / 10,254,455.40-15,380,516.70-2,682,186.60

Finding the Fourth Proportional to 10,254,455.40, 15,380,516.70 and 2,682,186.60

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Solution

The fourth proportional to 10,254,455.40, 15,380,516.70 and 2,682,186.60 is: 4,022,974.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,254,455.40 : 15,380,516.70 = 2,682,186.60 : x
  2. Step 2: Convert to fraction form
    10,254,455.40/15,380,516.70 = 2,682,186.60/x
  3. Step 3: Cross multiply
    10,254,455.40x = 15,380,516.70 × 2,682,186.60
  4. Step 4: Simplify right side
    10,254,455.40x = 41,253,415,793,816.22
  5. Step 5: Solve for x
    x = 41,253,415,793,816.22/10,254,455.40
  6. Step 6: Final answer
    x = 4,022,974.81

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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.