Home / 7,242,321.39-10,868,464.53-2,982,489.27

Finding the Fourth Proportional to 7,242,321.39, 10,868,464.53 and 2,982,489.27

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Solution

The fourth proportional to 7,242,321.39, 10,868,464.53 and 2,982,489.27 is: 4,475,785.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,242,321.39 : 10,868,464.53 = 2,982,489.27 : x
  2. Step 2: Convert to fraction form
    7,242,321.39/10,868,464.53 = 2,982,489.27/x
  3. Step 3: Cross multiply
    7,242,321.39x = 10,868,464.53 × 2,982,489.27
  4. Step 4: Simplify right side
    7,242,321.39x = 32,415,078,842,100.59
  5. Step 5: Solve for x
    x = 32,415,078,842,100.59/7,242,321.39
  6. Step 6: Final answer
    x = 4,475,785.75

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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.