Home / 10,686,902.40-16,040,851.20-5,301,633.60

Finding the Fourth Proportional to 10,686,902.40, 16,040,851.20 and 5,301,633.60

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Solution

The fourth proportional to 10,686,902.40, 16,040,851.20 and 5,301,633.60 is: 7,957,658.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,686,902.40 : 16,040,851.20 = 5,301,633.60 : x
  2. Step 2: Convert to fraction form
    10,686,902.40/16,040,851.20 = 5,301,633.60/x
  3. Step 3: Cross multiply
    10,686,902.40x = 16,040,851.20 × 5,301,633.60
  4. Step 4: Simplify right side
    10,686,902.40x = 85,042,715,694,520.31
  5. Step 5: Solve for x
    x = 85,042,715,694,520.31/10,686,902.40
  6. Step 6: Final answer
    x = 7,957,658.12

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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.