Home / 7,770,912.72-10,721,039.46-4,505,925.84

Finding the Fourth Proportional to 7,770,912.72, 10,721,039.46 and 4,505,925.84

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Solution

The fourth proportional to 7,770,912.72, 10,721,039.46 and 4,505,925.84 is: 6,216,542.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,770,912.72 : 10,721,039.46 = 4,505,925.84 : x
  2. Step 2: Convert to fraction form
    7,770,912.72/10,721,039.46 = 4,505,925.84/x
  3. Step 3: Cross multiply
    7,770,912.72x = 10,721,039.46 × 4,505,925.84
  4. Step 4: Simplify right side
    7,770,912.72x = 48,308,208,734,473.65
  5. Step 5: Solve for x
    x = 48,308,208,734,473.65/7,770,912.72
  6. Step 6: Final answer
    x = 6,216,542.44

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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.