Home / 12,355,896.96-17,032,236.66-8,674,485.84

Finding the Fourth Proportional to 12,355,896.96, 17,032,236.66 and 8,674,485.84

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Solution

The fourth proportional to 12,355,896.96, 17,032,236.66 and 8,674,485.84 is: 11,957,520.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,355,896.96 : 17,032,236.66 = 8,674,485.84 : x
  2. Step 2: Convert to fraction form
    12,355,896.96/17,032,236.66 = 8,674,485.84/x
  3. Step 3: Cross multiply
    12,355,896.96x = 17,032,236.66 × 8,674,485.84
  4. Step 4: Simplify right side
    12,355,896.96x = 147,745,895,730,698.91
  5. Step 5: Solve for x
    x = 147,745,895,730,698.91/12,355,896.96
  6. Step 6: Final answer
    x = 11,957,520.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.