Home / 10,143,961.62-15,220,932.30-4,751,679.84

Finding the Fourth Proportional to 10,143,961.62, 15,220,932.30 and 4,751,679.84

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Solution

The fourth proportional to 10,143,961.62, 15,220,932.30 and 4,751,679.84 is: 7,129,857.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,143,961.62 : 15,220,932.30 = 4,751,679.84 : x
  2. Step 2: Convert to fraction form
    10,143,961.62/15,220,932.30 = 4,751,679.84/x
  3. Step 3: Cross multiply
    10,143,961.62x = 15,220,932.30 × 4,751,679.84
  4. Step 4: Simplify right side
    10,143,961.62x = 72,324,997,155,914.83
  5. Step 5: Solve for x
    x = 72,324,997,155,914.83/10,143,961.62
  6. Step 6: Final answer
    x = 7,129,857.14

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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.