Home / 12,943,086.36-17,861,438.22-7,141,863.72

Finding the Fourth Proportional to 12,943,086.36, 17,861,438.22 and 7,141,863.72

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Solution

The fourth proportional to 12,943,086.36, 17,861,438.22 and 7,141,863.72 is: 9,855,760.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,943,086.36 : 17,861,438.22 = 7,141,863.72 : x
  2. Step 2: Convert to fraction form
    12,943,086.36/17,861,438.22 = 7,141,863.72/x
  3. Step 3: Cross multiply
    12,943,086.36x = 17,861,438.22 × 7,141,863.72
  4. Step 4: Simplify right side
    12,943,086.36x = 127,563,957,610,439.36
  5. Step 5: Solve for x
    x = 127,563,957,610,439.36/12,943,086.36
  6. Step 6: Final answer
    x = 9,855,760.37

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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.