Home / 8,104,450.40-12,156,675.60-7,320,629.60

Finding the Fourth Proportional to 8,104,450.40, 12,156,675.60 and 7,320,629.60

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Solution

The fourth proportional to 8,104,450.40, 12,156,675.60 and 7,320,629.60 is: 10,980,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,104,450.40 : 12,156,675.60 = 7,320,629.60 : x
  2. Step 2: Convert to fraction form
    8,104,450.40/12,156,675.60 = 7,320,629.60/x
  3. Step 3: Cross multiply
    8,104,450.40x = 12,156,675.60 × 7,320,629.60
  4. Step 4: Simplify right side
    8,104,450.40x = 88,994,519,234,957.75
  5. Step 5: Solve for x
    x = 88,994,519,234,957.75/8,104,450.40
  6. Step 6: Final answer
    x = 10,980,944.40

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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.