Home / 12,696,761.70-19,045,142.55-9,463,500.90

Finding the Fourth Proportional to 12,696,761.70, 19,045,142.55 and 9,463,500.90

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Solution

The fourth proportional to 12,696,761.70, 19,045,142.55 and 9,463,500.90 is: 14,195,251.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,696,761.70 : 19,045,142.55 = 9,463,500.90 : x
  2. Step 2: Convert to fraction form
    12,696,761.70/19,045,142.55 = 9,463,500.90/x
  3. Step 3: Cross multiply
    12,696,761.70x = 19,045,142.55 × 9,463,500.90
  4. Step 4: Simplify right side
    12,696,761.70x = 180,233,723,662,553.31
  5. Step 5: Solve for x
    x = 180,233,723,662,553.31/12,696,761.70
  6. Step 6: Final answer
    x = 14,195,251.35

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.