Home / 16,198,692.69-22,354,236.11-8,856,999.57

Finding the Fourth Proportional to 16,198,692.69, 22,354,236.11 and 8,856,999.57

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Solution

The fourth proportional to 16,198,692.69, 22,354,236.11 and 8,856,999.57 is: 12,222,681.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,198,692.69 : 22,354,236.11 = 8,856,999.57 : x
  2. Step 2: Convert to fraction form
    16,198,692.69/22,354,236.11 = 8,856,999.57/x
  3. Step 3: Cross multiply
    16,198,692.69x = 22,354,236.11 × 8,856,999.57
  4. Step 4: Simplify right side
    16,198,692.69x = 197,991,459,569,663.50
  5. Step 5: Solve for x
    x = 197,991,459,569,663.50/16,198,692.69
  6. Step 6: Final answer
    x = 12,222,681.38

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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.