Home / 12,803,183.28-19,214,871.12-5,619,675.60

Finding the Fourth Proportional to 12,803,183.28, 19,214,871.12 and 5,619,675.60

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Solution

The fourth proportional to 12,803,183.28, 19,214,871.12 and 5,619,675.60 is: 8,433,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803,183.28 : 19,214,871.12 = 5,619,675.60 : x
  2. Step 2: Convert to fraction form
    12,803,183.28/19,214,871.12 = 5,619,675.60/x
  3. Step 3: Cross multiply
    12,803,183.28x = 19,214,871.12 × 5,619,675.60
  4. Step 4: Simplify right side
    12,803,183.28x = 107,981,342,390,208.67
  5. Step 5: Solve for x
    x = 107,981,342,390,208.67/12,803,183.28
  6. Step 6: Final answer
    x = 8,433,944.90

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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.