Home / 53,310,069.41-79,965,104.11-12,920,553.41

Finding the Fourth Proportional to 53,310,069.41, 79,965,104.11 and 12,920,553.41

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Solution

The fourth proportional to 53,310,069.41, 79,965,104.11 and 12,920,553.41 is: 19,380,830.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,310,069.41 : 79,965,104.11 = 12,920,553.41 : x
  2. Step 2: Convert to fraction form
    53,310,069.41/79,965,104.11 = 12,920,553.41/x
  3. Step 3: Cross multiply
    53,310,069.41x = 79,965,104.11 × 12,920,553.41
  4. Step 4: Simplify right side
    53,310,069.41x = 1,033,193,398,157,338.62
  5. Step 5: Solve for x
    x = 1,033,193,398,157,338.62/53,310,069.41
  6. Step 6: Final answer
    x = 19,380,830.11

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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.