Home / 7,145,710.66-10,712,540.55-3,099,150.73

Finding the Fourth Proportional to 7,145,710.66, 10,712,540.55 and 3,099,150.73

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Solution

The fourth proportional to 7,145,710.66, 10,712,540.55 and 3,099,150.73 is: 4,646,112.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,145,710.66 : 10,712,540.55 = 3,099,150.73 : x
  2. Step 2: Convert to fraction form
    7,145,710.66/10,712,540.55 = 3,099,150.73/x
  3. Step 3: Cross multiply
    7,145,710.66x = 10,712,540.55 × 3,099,150.73
  4. Step 4: Simplify right side
    7,145,710.66x = 33,199,777,890,699.60
  5. Step 5: Solve for x
    x = 33,199,777,890,699.60/7,145,710.66
  6. Step 6: Final answer
    x = 4,646,112.82

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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.