Home / 30,630,163.24-42,269,080.26-16,691,640.04

Finding the Fourth Proportional to 30,630,163.24, 42,269,080.26 and 16,691,640.04

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Solution

The fourth proportional to 30,630,163.24, 42,269,080.26 and 16,691,640.04 is: 23,034,166.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,630,163.24 : 42,269,080.26 = 16,691,640.04 : x
  2. Step 2: Convert to fraction form
    30,630,163.24/42,269,080.26 = 16,691,640.04/x
  3. Step 3: Cross multiply
    30,630,163.24x = 42,269,080.26 × 16,691,640.04
  4. Step 4: Simplify right side
    30,630,163.24x = 705,540,272,521,789.50
  5. Step 5: Solve for x
    x = 705,540,272,521,789.50/30,630,163.24
  6. Step 6: Final answer
    x = 23,034,166.26

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Double scale
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1.5x scale

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.