Home / 10,589,626.99-15,813,129.72-8,648,206.89

Finding the Fourth Proportional to 10,589,626.99, 15,813,129.72 and 8,648,206.89

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Solution

The fourth proportional to 10,589,626.99, 15,813,129.72 and 8,648,206.89 is: 12,914,073.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,589,626.99 : 15,813,129.72 = 8,648,206.89 : x
  2. Step 2: Convert to fraction form
    10,589,626.99/15,813,129.72 = 8,648,206.89/x
  3. Step 3: Cross multiply
    10,589,626.99x = 15,813,129.72 × 8,648,206.89
  4. Step 4: Simplify right side
    10,589,626.99x = 136,755,217,370,099.33
  5. Step 5: Solve for x
    x = 136,755,217,370,099.33/10,589,626.99
  6. Step 6: Final answer
    x = 12,914,073.14

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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 (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.