Home / 6,172,166.88-8,517,402.72-3,418,745.76

Finding the Fourth Proportional to 6,172,166.88, 8,517,402.72 and 3,418,745.76

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Solution

The fourth proportional to 6,172,166.88, 8,517,402.72 and 3,418,745.76 is: 4,717,765.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,172,166.88 : 8,517,402.72 = 3,418,745.76 : x
  2. Step 2: Convert to fraction form
    6,172,166.88/8,517,402.72 = 3,418,745.76/x
  3. Step 3: Cross multiply
    6,172,166.88x = 8,517,402.72 × 3,418,745.76
  4. Step 4: Simplify right side
    6,172,166.88x = 29,118,834,435,212.47
  5. Step 5: Solve for x
    x = 29,118,834,435,212.47/6,172,166.88
  6. Step 6: Final answer
    x = 4,717,765.25

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1.5x scale

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.