Home / 8,504,485.45-12,762,707.09-7,691,380.72

Finding the Fourth Proportional to 8,504,485.45, 12,762,707.09 and 7,691,380.72

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Solution

The fourth proportional to 8,504,485.45, 12,762,707.09 and 7,691,380.72 is: 11,542,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,504,485.45 : 12,762,707.09 = 7,691,380.72 : x
  2. Step 2: Convert to fraction form
    8,504,485.45/12,762,707.09 = 7,691,380.72/x
  3. Step 3: Cross multiply
    8,504,485.45x = 12,762,707.09 × 7,691,380.72
  4. Step 4: Simplify right side
    8,504,485.45x = 98,162,839,176,669.64
  5. Step 5: Solve for x
    x = 98,162,839,176,669.64/8,504,485.45
  6. Step 6: Final answer
    x = 11,542,478.35

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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.