Home / 7,689,965.40-11,536,697.70-4,493,446.20

Finding the Fourth Proportional to 7,689,965.40, 11,536,697.70 and 4,493,446.20

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Solution

The fourth proportional to 7,689,965.40, 11,536,697.70 and 4,493,446.20 is: 6,741,191.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689,965.40 : 11,536,697.70 = 4,493,446.20 : x
  2. Step 2: Convert to fraction form
    7,689,965.40/11,536,697.70 = 4,493,446.20/x
  3. Step 3: Cross multiply
    7,689,965.40x = 11,536,697.70 × 4,493,446.20
  4. Step 4: Simplify right side
    7,689,965.40x = 51,839,530,440,613.74
  5. Step 5: Solve for x
    x = 51,839,530,440,613.74/7,689,965.40
  6. Step 6: Final answer
    x = 6,741,191.64

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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.