Home / 7,215,632.94-10,822,096.21-3,620,434.58

Finding the Fourth Proportional to 7,215,632.94, 10,822,096.21 and 3,620,434.58

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Solution

The fourth proportional to 7,215,632.94, 10,822,096.21 and 3,620,434.58 is: 5,429,972.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,215,632.94 : 10,822,096.21 = 3,620,434.58 : x
  2. Step 2: Convert to fraction form
    7,215,632.94/10,822,096.21 = 3,620,434.58/x
  3. Step 3: Cross multiply
    7,215,632.94x = 10,822,096.21 × 3,620,434.58
  4. Step 4: Simplify right side
    7,215,632.94x = 39,180,691,346,770.95
  5. Step 5: Solve for x
    x = 39,180,691,346,770.95/7,215,632.94
  6. Step 6: Final answer
    x = 5,429,972.90

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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.