Home / 12,562,982.12-17,332,500.35-8,214,613.76

Finding the Fourth Proportional to 12,562,982.12, 17,332,500.35 and 8,214,613.76

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Solution

The fourth proportional to 12,562,982.12, 17,332,500.35 and 8,214,613.76 is: 11,333,280.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,562,982.12 : 17,332,500.35 = 8,214,613.76 : x
  2. Step 2: Convert to fraction form
    12,562,982.12/17,332,500.35 = 8,214,613.76/x
  3. Step 3: Cross multiply
    12,562,982.12x = 17,332,500.35 × 8,214,613.76
  4. Step 4: Simplify right side
    12,562,982.12x = 142,379,795,829,241.72
  5. Step 5: Solve for x
    x = 142,379,795,829,241.72/12,562,982.12
  6. Step 6: Final answer
    x = 11,333,280.15

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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.