Home / 7,162,331.60-9,883,989.96-3,943,067.60

Finding the Fourth Proportional to 7,162,331.60, 9,883,989.96 and 3,943,067.60

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Solution

The fourth proportional to 7,162,331.60, 9,883,989.96 and 3,943,067.60 is: 5,441,418.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,162,331.60 : 9,883,989.96 = 3,943,067.60 : x
  2. Step 2: Convert to fraction form
    7,162,331.60/9,883,989.96 = 3,943,067.60/x
  3. Step 3: Cross multiply
    7,162,331.60x = 9,883,989.96 × 3,943,067.60
  4. Step 4: Simplify right side
    7,162,331.60x = 38,973,240,570,001.30
  5. Step 5: Solve for x
    x = 38,973,240,570,001.30/7,162,331.60
  6. Step 6: Final answer
    x = 5,441,418.07

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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.