Home / 18,106,884.65-27,172,292.61-8,525,003.42

Finding the Fourth Proportional to 18,106,884.65, 27,172,292.61 and 8,525,003.42

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Solution

The fourth proportional to 18,106,884.65, 27,172,292.61 and 8,525,003.42 is: 12,793,138.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,106,884.65 : 27,172,292.61 = 8,525,003.42 : x
  2. Step 2: Convert to fraction form
    18,106,884.65/27,172,292.61 = 8,525,003.42/x
  3. Step 3: Cross multiply
    18,106,884.65x = 27,172,292.61 × 8,525,003.42
  4. Step 4: Simplify right side
    18,106,884.65x = 231,643,887,429,490.72
  5. Step 5: Solve for x
    x = 231,643,887,429,490.72/18,106,884.65
  6. Step 6: Final answer
    x = 12,793,138.74

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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.