Home / 39,153,686.82-54,030,254.64-21,751,093.56

Finding the Fourth Proportional to 39,153,686.82, 54,030,254.64 and 21,751,093.56

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Solution

The fourth proportional to 39,153,686.82, 54,030,254.64 and 21,751,093.56 is: 30,015,490.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,153,686.82 : 54,030,254.64 = 21,751,093.56 : x
  2. Step 2: Convert to fraction form
    39,153,686.82/54,030,254.64 = 21,751,093.56/x
  3. Step 3: Cross multiply
    39,153,686.82x = 54,030,254.64 × 21,751,093.56
  4. Step 4: Simplify right side
    39,153,686.82x = 1,175,217,123,745,264
  5. Step 5: Solve for x
    x = 1,175,217,123,745,264/39,153,686.82
  6. Step 6: Final answer
    x = 30,015,490.73

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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.