Home / 39,960,942.32-55,146,099.70-21,626,227.82

Finding the Fourth Proportional to 39,960,942.32, 55,146,099.70 and 21,626,227.82

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Solution

The fourth proportional to 39,960,942.32, 55,146,099.70 and 21,626,227.82 is: 29,844,194.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960,942.32 : 55,146,099.70 = 21,626,227.82 : x
  2. Step 2: Convert to fraction form
    39,960,942.32/55,146,099.70 = 21,626,227.82/x
  3. Step 3: Cross multiply
    39,960,942.32x = 55,146,099.70 × 21,626,227.82
  4. Step 4: Simplify right side
    39,960,942.32x = 1,192,602,115,496,633.75
  5. Step 5: Solve for x
    x = 1,192,602,115,496,633.75/39,960,942.32
  6. Step 6: Final answer
    x = 29,844,194.01

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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.