Home / 16,040,861.57-22,136,394.96-8,698,692.78

Finding the Fourth Proportional to 16,040,861.57, 22,136,394.96 and 8,698,692.78

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Solution

The fourth proportional to 16,040,861.57, 22,136,394.96 and 8,698,692.78 is: 12,004,199.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,040,861.57 : 22,136,394.96 = 8,698,692.78 : x
  2. Step 2: Convert to fraction form
    16,040,861.57/22,136,394.96 = 8,698,692.78/x
  3. Step 3: Cross multiply
    16,040,861.57x = 22,136,394.96 × 8,698,692.78
  4. Step 4: Simplify right side
    16,040,861.57x = 192,557,699,013,780.38
  5. Step 5: Solve for x
    x = 192,557,699,013,780.38/16,040,861.57
  6. Step 6: Final answer
    x = 12,004,199.28

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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.