Home / 39,930,094.32-55,103,530.14-21,595,379.82

Finding the Fourth Proportional to 39,930,094.32, 55,103,530.14 and 21,595,379.82

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Solution

The fourth proportional to 39,930,094.32, 55,103,530.14 and 21,595,379.82 is: 29,801,624.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,930,094.32 : 55,103,530.14 = 21,595,379.82 : x
  2. Step 2: Convert to fraction form
    39,930,094.32/55,103,530.14 = 21,595,379.82/x
  3. Step 3: Cross multiply
    39,930,094.32x = 55,103,530.14 × 21,595,379.82
  4. Step 4: Simplify right side
    39,930,094.32x = 1,189,981,662,796,117.75
  5. Step 5: Solve for x
    x = 1,189,981,662,796,117.75/39,930,094.32
  6. Step 6: Final answer
    x = 29,801,624.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.