Home / 18,367,636.40-27,561,952.20-7,016,231.60

Finding the Fourth Proportional to 18,367,636.40, 27,561,952.20 and 7,016,231.60

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Solution

The fourth proportional to 18,367,636.40, 27,561,952.20 and 7,016,231.60 is: 10,528,357.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367,636.40 : 27,561,952.20 = 7,016,231.60 : x
  2. Step 2: Convert to fraction form
    18,367,636.40/27,561,952.20 = 7,016,231.60/x
  3. Step 3: Cross multiply
    18,367,636.40x = 27,561,952.20 × 7,016,231.60
  4. Step 4: Simplify right side
    18,367,636.40x = 193,381,039,983,329.50
  5. Step 5: Solve for x
    x = 193,381,039,983,329.50/18,367,636.40
  6. Step 6: Final answer
    x = 10,528,357.37

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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.