Home / 18,174,447.40-27,238,515.90-9,658,863.40

Finding the Fourth Proportional to 18,174,447.40, 27,238,515.90 and 9,658,863.40

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Solution

The fourth proportional to 18,174,447.40, 27,238,515.90 and 9,658,863.40 is: 14,475,989.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,174,447.40 : 27,238,515.90 = 9,658,863.40 : x
  2. Step 2: Convert to fraction form
    18,174,447.40/27,238,515.90 = 9,658,863.40/x
  3. Step 3: Cross multiply
    18,174,447.40x = 27,238,515.90 × 9,658,863.40
  4. Step 4: Simplify right side
    18,174,447.40x = 263,093,104,296,828.06
  5. Step 5: Solve for x
    x = 263,093,104,296,828.06/18,174,447.40
  6. Step 6: Final answer
    x = 14,475,989.20

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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.