Home / 39,164,363.47-54,043,573.08-21,522,338.38

Finding the Fourth Proportional to 39,164,363.47, 54,043,573.08 and 21,522,338.38

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Solution

The fourth proportional to 39,164,363.47, 54,043,573.08 and 21,522,338.38 is: 29,699,041.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,164,363.47 : 54,043,573.08 = 21,522,338.38 : x
  2. Step 2: Convert to fraction form
    39,164,363.47/54,043,573.08 = 21,522,338.38/x
  3. Step 3: Cross multiply
    39,164,363.47x = 54,043,573.08 × 21,522,338.38
  4. Step 4: Simplify right side
    39,164,363.47x = 1,163,144,067,092,018.75
  5. Step 5: Solve for x
    x = 1,163,144,067,092,018.75/39,164,363.47
  6. Step 6: Final answer
    x = 29,699,041.78

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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.