Home / 18,950,531.10-28,425,801.52-5,305,687.72

Finding the Fourth Proportional to 18,950,531.10, 28,425,801.52 and 5,305,687.72

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Solution

The fourth proportional to 18,950,531.10, 28,425,801.52 and 5,305,687.72 is: 7,958,532.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,950,531.10 : 28,425,801.52 = 5,305,687.72 : x
  2. Step 2: Convert to fraction form
    18,950,531.10/28,425,801.52 = 5,305,687.72/x
  3. Step 3: Cross multiply
    18,950,531.10x = 28,425,801.52 × 5,305,687.72
  4. Step 4: Simplify right side
    18,950,531.10x = 150,818,426,055,821.31
  5. Step 5: Solve for x
    x = 150,818,426,055,821.31/18,950,531.10
  6. Step 6: Final answer
    x = 7,958,532.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.