Home / 7,967,697.84-11,953,996.20-7,120,891.44

Finding the Fourth Proportional to 7,967,697.84, 11,953,996.20 and 7,120,891.44

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Solution

The fourth proportional to 7,967,697.84, 11,953,996.20 and 7,120,891.44 is: 10,683,526.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,967,697.84 : 11,953,996.20 = 7,120,891.44 : x
  2. Step 2: Convert to fraction form
    7,967,697.84/11,953,996.20 = 7,120,891.44/x
  3. Step 3: Cross multiply
    7,967,697.84x = 11,953,996.20 × 7,120,891.44
  4. Step 4: Simplify right side
    7,967,697.84x = 85,123,109,214,372.53
  5. Step 5: Solve for x
    x = 85,123,109,214,372.53/7,967,697.84
  6. Step 6: Final answer
    x = 10,683,526.27

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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.