Home / 7,776,009.60-11,659,867.20-3,283,209.60

Finding the Fourth Proportional to 7,776,009.60, 11,659,867.20 and 3,283,209.60

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Solution

The fourth proportional to 7,776,009.60, 11,659,867.20 and 3,283,209.60 is: 4,923,063.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,776,009.60 : 11,659,867.20 = 3,283,209.60 : x
  2. Step 2: Convert to fraction form
    7,776,009.60/11,659,867.20 = 3,283,209.60/x
  3. Step 3: Cross multiply
    7,776,009.60x = 11,659,867.20 × 3,283,209.60
  4. Step 4: Simplify right side
    7,776,009.60x = 38,281,787,925,765.12
  5. Step 5: Solve for x
    x = 38,281,787,925,765.12/7,776,009.60
  6. Step 6: Final answer
    x = 4,923,063.36

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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.