Home / 12,857,548.66-19,286,431.11-3,272,928.82

Finding the Fourth Proportional to 12,857,548.66, 19,286,431.11 and 3,272,928.82

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Solution

The fourth proportional to 12,857,548.66, 19,286,431.11 and 3,272,928.82 is: 4,909,420.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,857,548.66 : 19,286,431.11 = 3,272,928.82 : x
  2. Step 2: Convert to fraction form
    12,857,548.66/19,286,431.11 = 3,272,928.82/x
  3. Step 3: Cross multiply
    12,857,548.66x = 19,286,431.11 × 3,272,928.82
  4. Step 4: Simplify right side
    12,857,548.66x = 63,123,116,214,863.59
  5. Step 5: Solve for x
    x = 63,123,116,214,863.59/12,857,548.66
  6. Step 6: Final answer
    x = 4,909,420.75

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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.