Home / 12,509,775-17,263,372.86-7,077,267

Finding the Fourth Proportional to 12,509,775, 17,263,372.86 and 7,077,267

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Solution

The fourth proportional to 12,509,775, 17,263,372.86 and 7,077,267 is: 9,766,562.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,509,775 : 17,263,372.86 = 7,077,267 : x
  2. Step 2: Convert to fraction form
    12,509,775/17,263,372.86 = 7,077,267/x
  3. Step 3: Cross multiply
    12,509,775x = 17,263,372.86 × 7,077,267
  4. Step 4: Simplify right side
    12,509,775x = 122,177,499,050,773.61
  5. Step 5: Solve for x
    x = 122,177,499,050,773.61/12,509,775
  6. Step 6: Final answer
    x = 9,766,562.47

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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.