Home / 6,642,708.20-9,982,724.70-5,821,562.60

Finding the Fourth Proportional to 6,642,708.20, 9,982,724.70 and 5,821,562.60

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Solution

The fourth proportional to 6,642,708.20, 9,982,724.70 and 5,821,562.60 is: 8,748,699.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,642,708.20 : 9,982,724.70 = 5,821,562.60 : x
  2. Step 2: Convert to fraction form
    6,642,708.20/9,982,724.70 = 5,821,562.60/x
  3. Step 3: Cross multiply
    6,642,708.20x = 9,982,724.70 × 5,821,562.60
  4. Step 4: Simplify right side
    6,642,708.20x = 58,115,056,759,616.21
  5. Step 5: Solve for x
    x = 58,115,056,759,616.21/6,642,708.20
  6. Step 6: Final answer
    x = 8,748,699.33

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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.