Home / 8,305,011.60-12,457,517.40-7,507,850.10

Finding the Fourth Proportional to 8,305,011.60, 12,457,517.40 and 7,507,850.10

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Solution

The fourth proportional to 8,305,011.60, 12,457,517.40 and 7,507,850.10 is: 11,261,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,305,011.60 : 12,457,517.40 = 7,507,850.10 : x
  2. Step 2: Convert to fraction form
    8,305,011.60/12,457,517.40 = 7,507,850.10/x
  3. Step 3: Cross multiply
    8,305,011.60x = 12,457,517.40 × 7,507,850.10
  4. Step 4: Simplify right side
    8,305,011.60x = 93,529,173,257,341.73
  5. Step 5: Solve for x
    x = 93,529,173,257,341.73/8,305,011.60
  6. Step 6: Final answer
    x = 11,261,775.15

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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.