Home / 39,164,343.05-54,043,544.94-21,522,317.96

Finding the Fourth Proportional to 39,164,343.05, 54,043,544.94 and 21,522,317.96

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Solution

The fourth proportional to 39,164,343.05, 54,043,544.94 and 21,522,317.96 is: 29,699,013.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,164,343.05 : 54,043,544.94 = 21,522,317.96 : x
  2. Step 2: Convert to fraction form
    39,164,343.05/54,043,544.94 = 21,522,317.96/x
  3. Step 3: Cross multiply
    39,164,343.05x = 54,043,544.94 × 21,522,317.96
  4. Step 4: Simplify right side
    39,164,343.05x = 1,163,142,357,884,229
  5. Step 5: Solve for x
    x = 1,163,142,357,884,229/39,164,343.05
  6. Step 6: Final answer
    x = 29,699,013.63

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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.