Home / 8,064,906.40-12,097,359.60-7,318,410.40

Finding the Fourth Proportional to 8,064,906.40, 12,097,359.60 and 7,318,410.40

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Solution

The fourth proportional to 8,064,906.40, 12,097,359.60 and 7,318,410.40 is: 10,977,615.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,064,906.40 : 12,097,359.60 = 7,318,410.40 : x
  2. Step 2: Convert to fraction form
    8,064,906.40/12,097,359.60 = 7,318,410.40/x
  3. Step 3: Cross multiply
    8,064,906.40x = 12,097,359.60 × 7,318,410.40
  4. Step 4: Simplify right side
    8,064,906.40x = 88,533,442,309,179.84
  5. Step 5: Solve for x
    x = 88,533,442,309,179.84/8,064,906.40
  6. Step 6: Final answer
    x = 10,977,615.60

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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.