Home / 7,776,007.05-11,664,010.58-7,160,147.85

Finding the Fourth Proportional to 7,776,007.05, 11,664,010.58 and 7,160,147.85

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Solution

The fourth proportional to 7,776,007.05, 11,664,010.58 and 7,160,147.85 is: 10,740,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,007.05 : 11,664,010.58 = 7,160,147.85 : x
  2. Step 2: Convert to fraction form
    7,776,007.05/11,664,010.58 = 7,160,147.85/x
  3. Step 3: Cross multiply
    7,776,007.05x = 11,664,010.58 × 7,160,147.85
  4. Step 4: Simplify right side
    7,776,007.05x = 83,516,040,240,963.50
  5. Step 5: Solve for x
    x = 83,516,040,240,963.50/7,776,007.05
  6. Step 6: Final answer
    x = 10,740,221.78

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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.