Home / 7,633,139.60-11,454,958.20-3,145,415.60

Finding the Fourth Proportional to 7,633,139.60, 11,454,958.20 and 3,145,415.60

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Solution

The fourth proportional to 7,633,139.60, 11,454,958.20 and 3,145,415.60 is: 4,720,286.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,633,139.60 : 11,454,958.20 = 3,145,415.60 : x
  2. Step 2: Convert to fraction form
    7,633,139.60/11,454,958.20 = 3,145,415.60/x
  3. Step 3: Cross multiply
    7,633,139.60x = 11,454,958.20 × 3,145,415.60
  4. Step 4: Simplify right side
    7,633,139.60x = 36,030,604,219,627.92
  5. Step 5: Solve for x
    x = 36,030,604,219,627.92/7,633,139.60
  6. Step 6: Final answer
    x = 4,720,286.29

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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.