Home / 12,671,704.45-17,486,846.56-7,166,160.24

Finding the Fourth Proportional to 12,671,704.45, 17,486,846.56 and 7,166,160.24

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Solution

The fourth proportional to 12,671,704.45, 17,486,846.56 and 7,166,160.24 is: 9,889,241.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671,704.45 : 17,486,846.56 = 7,166,160.24 : x
  2. Step 2: Convert to fraction form
    12,671,704.45/17,486,846.56 = 7,166,160.24/x
  3. Step 3: Cross multiply
    12,671,704.45x = 17,486,846.56 × 7,166,160.24
  4. Step 4: Simplify right side
    12,671,704.45x = 125,313,544,541,252.77
  5. Step 5: Solve for x
    x = 125,313,544,541,252.77/12,671,704.45
  6. Step 6: Final answer
    x = 9,889,241.42

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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.