Home / 39,960,926.44-55,146,077.79-21,626,211.94

Finding the Fourth Proportional to 39,960,926.44, 55,146,077.79 and 21,626,211.94

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Solution

The fourth proportional to 39,960,926.44, 55,146,077.79 and 21,626,211.94 is: 29,844,172.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,960,926.44 : 55,146,077.79 = 21,626,211.94 : x
  2. Step 2: Convert to fraction form
    39,960,926.44/55,146,077.79 = 21,626,211.94/x
  3. Step 3: Cross multiply
    39,960,926.44x = 55,146,077.79 × 21,626,211.94
  4. Step 4: Simplify right side
    39,960,926.44x = 1,192,600,765,670,536.25
  5. Step 5: Solve for x
    x = 1,192,600,765,670,536.25/39,960,926.44
  6. Step 6: Final answer
    x = 29,844,172.10

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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.