Home / 39,457,589.94-54,449,277.69-21,815,472.53

Finding the Fourth Proportional to 39,457,589.94, 54,449,277.69 and 21,815,472.53

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Solution

The fourth proportional to 39,457,589.94, 54,449,277.69 and 21,815,472.53 is: 30,104,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,457,589.94 : 54,449,277.69 = 21,815,472.53 : x
  2. Step 2: Convert to fraction form
    39,457,589.94/54,449,277.69 = 21,815,472.53/x
  3. Step 3: Cross multiply
    39,457,589.94x = 54,449,277.69 × 21,815,472.53
  4. Step 4: Simplify right side
    39,457,589.94x = 1,187,836,721,724,536.75
  5. Step 5: Solve for x
    x = 1,187,836,721,724,536.75/39,457,589.94
  6. Step 6: Final answer
    x = 30,104,137.72

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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.