Home / 7,089,853.44-9,784,028.16-3,870,658.56

Finding the Fourth Proportional to 7,089,853.44, 9,784,028.16 and 3,870,658.56

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Solution

The fourth proportional to 7,089,853.44, 9,784,028.16 and 3,870,658.56 is: 5,341,525.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,089,853.44 : 9,784,028.16 = 3,870,658.56 : x
  2. Step 2: Convert to fraction form
    7,089,853.44/9,784,028.16 = 3,870,658.56/x
  3. Step 3: Cross multiply
    7,089,853.44x = 9,784,028.16 × 3,870,658.56
  4. Step 4: Simplify right side
    7,089,853.44x = 37,870,632,348,785.05
  5. Step 5: Solve for x
    x = 37,870,632,348,785.05/7,089,853.44
  6. Step 6: Final answer
    x = 5,341,525.42

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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.