Home / 12,212,629.46-16,852,662.12-6,705,965.76

Finding the Fourth Proportional to 12,212,629.46, 16,852,662.12 and 6,705,965.76

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Solution

The fourth proportional to 12,212,629.46, 16,852,662.12 and 6,705,965.76 is: 9,253,811.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,212,629.46 : 16,852,662.12 = 6,705,965.76 : x
  2. Step 2: Convert to fraction form
    12,212,629.46/16,852,662.12 = 6,705,965.76/x
  3. Step 3: Cross multiply
    12,212,629.46x = 16,852,662.12 × 6,705,965.76
  4. Step 4: Simplify right side
    12,212,629.46x = 113,013,375,141,569.02
  5. Step 5: Solve for x
    x = 113,013,375,141,569.02/12,212,629.46
  6. Step 6: Final answer
    x = 9,253,811.84

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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.