Home / 12,096,314.70-18,144,472.05-8,695,092.30

Finding the Fourth Proportional to 12,096,314.70, 18,144,472.05 and 8,695,092.30

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Solution

The fourth proportional to 12,096,314.70, 18,144,472.05 and 8,695,092.30 is: 13,042,638.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,096,314.70 : 18,144,472.05 = 8,695,092.30 : x
  2. Step 2: Convert to fraction form
    12,096,314.70/18,144,472.05 = 8,695,092.30/x
  3. Step 3: Cross multiply
    12,096,314.70x = 18,144,472.05 × 8,695,092.30
  4. Step 4: Simplify right side
    12,096,314.70x = 157,767,859,209,520.25
  5. Step 5: Solve for x
    x = 157,767,859,209,520.25/12,096,314.70
  6. Step 6: Final answer
    x = 13,042,638.45

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Double scale
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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.