Home / 7,729,465.60-11,584,867.20-3,940,998.40

Finding the Fourth Proportional to 7,729,465.60, 11,584,867.20 and 3,940,998.40

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Solution

The fourth proportional to 7,729,465.60, 11,584,867.20 and 3,940,998.40 is: 5,906,739.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729,465.60 : 11,584,867.20 = 3,940,998.40 : x
  2. Step 2: Convert to fraction form
    7,729,465.60/11,584,867.20 = 3,940,998.40/x
  3. Step 3: Cross multiply
    7,729,465.60x = 11,584,867.20 × 3,940,998.40
  4. Step 4: Simplify right side
    7,729,465.60x = 45,655,943,099,412.48
  5. Step 5: Solve for x
    x = 45,655,943,099,412.48/7,729,465.60
  6. Step 6: Final answer
    x = 5,906,739.93

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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.