Home / 18,983,187.33-28,468,904.09-6,851,115.11

Finding the Fourth Proportional to 18,983,187.33, 28,468,904.09 and 6,851,115.11

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Solution

The fourth proportional to 18,983,187.33, 28,468,904.09 and 6,851,115.11 is: 10,274,551.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983,187.33 : 28,468,904.09 = 6,851,115.11 : x
  2. Step 2: Convert to fraction form
    18,983,187.33/28,468,904.09 = 6,851,115.11/x
  3. Step 3: Cross multiply
    18,983,187.33x = 28,468,904.09 × 6,851,115.11
  4. Step 4: Simplify right side
    18,983,187.33x = 195,043,738,976,139.81
  5. Step 5: Solve for x
    x = 195,043,738,976,139.81/18,983,187.33
  6. Step 6: Final answer
    x = 10,274,551.66

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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.