Home / 40,977,338.20-61,469,117.70-12,221,229.40

Finding the Fourth Proportional to 40,977,338.20, 61,469,117.70 and 12,221,229.40

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Solution

The fourth proportional to 40,977,338.20, 61,469,117.70 and 12,221,229.40 is: 18,332,771.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,977,338.20 : 61,469,117.70 = 12,221,229.40 : x
  2. Step 2: Convert to fraction form
    40,977,338.20/61,469,117.70 = 12,221,229.40/x
  3. Step 3: Cross multiply
    40,977,338.20x = 61,469,117.70 × 12,221,229.40
  4. Step 4: Simplify right side
    40,977,338.20x = 751,228,188,427,300.50
  5. Step 5: Solve for x
    x = 751,228,188,427,300.50/40,977,338.20
  6. Step 6: Final answer
    x = 18,332,771.76

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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.