Home / 8,305,144.80-12,457,717.20-8,249,157.60

Finding the Fourth Proportional to 8,305,144.80, 12,457,717.20 and 8,249,157.60

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Solution

The fourth proportional to 8,305,144.80, 12,457,717.20 and 8,249,157.60 is: 12,373,736.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,144.80 : 12,457,717.20 = 8,249,157.60 : x
  2. Step 2: Convert to fraction form
    8,305,144.80/12,457,717.20 = 8,249,157.60/x
  3. Step 3: Cross multiply
    8,305,144.80x = 12,457,717.20 × 8,249,157.60
  4. Step 4: Simplify right side
    8,305,144.80x = 102,765,672,519,030.70
  5. Step 5: Solve for x
    x = 102,765,672,519,030.70/8,305,144.80
  6. Step 6: Final answer
    x = 12,373,736.40

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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.