Home / 13,331,356.41-18,398,768.12-7,530,511.85

Finding the Fourth Proportional to 13,331,356.41, 18,398,768.12 and 7,530,511.85

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Solution

The fourth proportional to 13,331,356.41, 18,398,768.12 and 7,530,511.85 is: 10,392,951.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331,356.41 : 18,398,768.12 = 7,530,511.85 : x
  2. Step 2: Convert to fraction form
    13,331,356.41/18,398,768.12 = 7,530,511.85/x
  3. Step 3: Cross multiply
    13,331,356.41x = 18,398,768.12 × 7,530,511.85
  4. Step 4: Simplify right side
    13,331,356.41x = 138,552,141,320,650.61
  5. Step 5: Solve for x
    x = 138,552,141,320,650.61/13,331,356.41
  6. Step 6: Final answer
    x = 10,392,951.55

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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.