Home / 12,762,977.32-17,612,963.46-6,961,885.48

Finding the Fourth Proportional to 12,762,977.32, 17,612,963.46 and 6,961,885.48

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Solution

The fourth proportional to 12,762,977.32, 17,612,963.46 and 6,961,885.48 is: 9,607,431.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,762,977.32 : 17,612,963.46 = 6,961,885.48 : x
  2. Step 2: Convert to fraction form
    12,762,977.32/17,612,963.46 = 6,961,885.48/x
  3. Step 3: Cross multiply
    12,762,977.32x = 17,612,963.46 × 6,961,885.48
  4. Step 4: Simplify right side
    12,762,977.32x = 122,619,434,571,944.58
  5. Step 5: Solve for x
    x = 122,619,434,571,944.58/12,762,977.32
  6. Step 6: Final answer
    x = 9,607,431.83

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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.