Home / 7,628,280.78-10,529,789.82-5,050,791.93

Finding the Fourth Proportional to 7,628,280.78, 10,529,789.82 and 5,050,791.93

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Solution

The fourth proportional to 7,628,280.78, 10,529,789.82 and 5,050,791.93 is: 6,971,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628,280.78 : 10,529,789.82 = 5,050,791.93 : x
  2. Step 2: Convert to fraction form
    7,628,280.78/10,529,789.82 = 5,050,791.93/x
  3. Step 3: Cross multiply
    7,628,280.78x = 10,529,789.82 × 5,050,791.93
  4. Step 4: Simplify right side
    7,628,280.78x = 53,183,777,447,452.15
  5. Step 5: Solve for x
    x = 53,183,777,447,452.15/7,628,280.78
  6. Step 6: Final answer
    x = 6,971,921.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.