Home / 7,720,439.60-11,584,806.60-3,233,169.20

Finding the Fourth Proportional to 7,720,439.60, 11,584,806.60 and 3,233,169.20

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Solution

The fourth proportional to 7,720,439.60, 11,584,806.60 and 3,233,169.20 is: 4,851,490.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,720,439.60 : 11,584,806.60 = 3,233,169.20 : x
  2. Step 2: Convert to fraction form
    7,720,439.60/11,584,806.60 = 3,233,169.20/x
  3. Step 3: Cross multiply
    7,720,439.60x = 11,584,806.60 × 3,233,169.20
  4. Step 4: Simplify right side
    7,720,439.60x = 37,455,639,887,076.72
  5. Step 5: Solve for x
    x = 37,455,639,887,076.72/7,720,439.60
  6. Step 6: Final answer
    x = 4,851,490.57

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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.