Home / 11,869,692.57-16,380,175.77-6,712,943.40

Finding the Fourth Proportional to 11,869,692.57, 16,380,175.77 and 6,712,943.40

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Solution

The fourth proportional to 11,869,692.57, 16,380,175.77 and 6,712,943.40 is: 9,263,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,869,692.57 : 16,380,175.77 = 6,712,943.40 : x
  2. Step 2: Convert to fraction form
    11,869,692.57/16,380,175.77 = 6,712,943.40/x
  3. Step 3: Cross multiply
    11,869,692.57x = 16,380,175.77 × 6,712,943.40
  4. Step 4: Simplify right side
    11,869,692.57x = 109,959,192,826,061.42
  5. Step 5: Solve for x
    x = 109,959,192,826,061.42/11,869,692.57
  6. Step 6: Final answer
    x = 9,263,861.91

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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.