Home / 8,517,658.37-12,776,062.86-3,125,884.59

Finding the Fourth Proportional to 8,517,658.37, 12,776,062.86 and 3,125,884.59

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Solution

The fourth proportional to 8,517,658.37, 12,776,062.86 and 3,125,884.59 is: 4,688,671.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,517,658.37 : 12,776,062.86 = 3,125,884.59 : x
  2. Step 2: Convert to fraction form
    8,517,658.37/12,776,062.86 = 3,125,884.59/x
  3. Step 3: Cross multiply
    8,517,658.37x = 12,776,062.86 × 3,125,884.59
  4. Step 4: Simplify right side
    8,517,658.37x = 39,936,498,014,945.32
  5. Step 5: Solve for x
    x = 39,936,498,014,945.32/8,517,658.37
  6. Step 6: Final answer
    x = 4,688,671.03

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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.