Home / 13,793,120.45-19,033,523.36-8,211,070.86

Finding the Fourth Proportional to 13,793,120.45, 19,033,523.36 and 8,211,070.86

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Solution

The fourth proportional to 13,793,120.45, 19,033,523.36 and 8,211,070.86 is: 11,330,692.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,793,120.45 : 19,033,523.36 = 8,211,070.86 : x
  2. Step 2: Convert to fraction form
    13,793,120.45/19,033,523.36 = 8,211,070.86/x
  3. Step 3: Cross multiply
    13,793,120.45x = 19,033,523.36 × 8,211,070.86
  4. Step 4: Simplify right side
    13,793,120.45x = 156,285,608,983,369.94
  5. Step 5: Solve for x
    x = 156,285,608,983,369.94/13,793,120.45
  6. Step 6: Final answer
    x = 11,330,692.69

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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.