Home / 19,857,692.76-27,405,834.98-12,021,522.62

Finding the Fourth Proportional to 19,857,692.76, 27,405,834.98 and 12,021,522.62

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Solution

The fourth proportional to 19,857,692.76, 27,405,834.98 and 12,021,522.62 is: 16,591,044.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,857,692.76 : 27,405,834.98 = 12,021,522.62 : x
  2. Step 2: Convert to fraction form
    19,857,692.76/27,405,834.98 = 12,021,522.62/x
  3. Step 3: Cross multiply
    19,857,692.76x = 27,405,834.98 × 12,021,522.62
  4. Step 4: Simplify right side
    19,857,692.76x = 329,459,865,071,949.62
  5. Step 5: Solve for x
    x = 329,459,865,071,949.62/19,857,692.76
  6. Step 6: Final answer
    x = 16,591,044.54

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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.