Home / 13,770,336.42-19,001,892.87-7,969,477.68

Finding the Fourth Proportional to 13,770,336.42, 19,001,892.87 and 7,969,477.68

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Solution

The fourth proportional to 13,770,336.42, 19,001,892.87 and 7,969,477.68 is: 10,997,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,770,336.42 : 19,001,892.87 = 7,969,477.68 : x
  2. Step 2: Convert to fraction form
    13,770,336.42/19,001,892.87 = 7,969,477.68/x
  3. Step 3: Cross multiply
    13,770,336.42x = 19,001,892.87 × 7,969,477.68
  4. Step 4: Simplify right side
    13,770,336.42x = 151,435,161,105,216.16
  5. Step 5: Solve for x
    x = 151,435,161,105,216.16/13,770,336.42
  6. Step 6: Final answer
    x = 10,997,201.27

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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.