Home / 7,123,159.38-10,684,856.28-2,005,712.64

Finding the Fourth Proportional to 7,123,159.38, 10,684,856.28 and 2,005,712.64

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Solution

The fourth proportional to 7,123,159.38, 10,684,856.28 and 2,005,712.64 is: 3,008,601.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,123,159.38 : 10,684,856.28 = 2,005,712.64 : x
  2. Step 2: Convert to fraction form
    7,123,159.38/10,684,856.28 = 2,005,712.64/x
  3. Step 3: Cross multiply
    7,123,159.38x = 10,684,856.28 × 2,005,712.64
  4. Step 4: Simplify right side
    7,123,159.38x = 21,430,751,297,379.38
  5. Step 5: Solve for x
    x = 21,430,751,297,379.38/7,123,159.38
  6. Step 6: Final answer
    x = 3,008,601.96

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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.