Home / 18,137,862.63-25,028,399.79-11,167,434.36

Finding the Fourth Proportional to 18,137,862.63, 25,028,399.79 and 11,167,434.36

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Solution

The fourth proportional to 18,137,862.63, 25,028,399.79 and 11,167,434.36 is: 15,409,919.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,137,862.63 : 25,028,399.79 = 11,167,434.36 : x
  2. Step 2: Convert to fraction form
    18,137,862.63/25,028,399.79 = 11,167,434.36/x
  3. Step 3: Cross multiply
    18,137,862.63x = 25,028,399.79 × 11,167,434.36
  4. Step 4: Simplify right side
    18,137,862.63x = 279,503,011,790,662.75
  5. Step 5: Solve for x
    x = 279,503,011,790,662.75/18,137,862.63
  6. Step 6: Final answer
    x = 15,409,919.98

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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.