Home / 28,542,278.61-39,388,370.58-15,489,539.82

Finding the Fourth Proportional to 28,542,278.61, 39,388,370.58 and 15,489,539.82

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Solution

The fourth proportional to 28,542,278.61, 39,388,370.58 and 15,489,539.82 is: 21,375,579.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,542,278.61 : 39,388,370.58 = 15,489,539.82 : x
  2. Step 2: Convert to fraction form
    28,542,278.61/39,388,370.58 = 15,489,539.82/x
  3. Step 3: Cross multiply
    28,542,278.61x = 39,388,370.58 × 15,489,539.82
  4. Step 4: Simplify right side
    28,542,278.61x = 610,107,734,543,826.50
  5. Step 5: Solve for x
    x = 610,107,734,543,826.50/28,542,278.61
  6. Step 6: Final answer
    x = 21,375,579.11

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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.