Home / 9,180,200.10-13,770,300.15-8,117,318.10

Finding the Fourth Proportional to 9,180,200.10, 13,770,300.15 and 8,117,318.10

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Solution

The fourth proportional to 9,180,200.10, 13,770,300.15 and 8,117,318.10 is: 12,175,977.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,180,200.10 : 13,770,300.15 = 8,117,318.10 : x
  2. Step 2: Convert to fraction form
    9,180,200.10/13,770,300.15 = 8,117,318.10/x
  3. Step 3: Cross multiply
    9,180,200.10x = 13,770,300.15 × 8,117,318.10
  4. Step 4: Simplify right side
    9,180,200.10x = 111,777,906,650,027.72
  5. Step 5: Solve for x
    x = 111,777,906,650,027.72/9,180,200.10
  6. Step 6: Final answer
    x = 12,175,977.15

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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.