Home / 18,964,528.71-28,435,273.47-7,436,184.13

Finding the Fourth Proportional to 18,964,528.71, 28,435,273.47 and 7,436,184.13

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Solution

The fourth proportional to 18,964,528.71, 28,435,273.47 and 7,436,184.13 is: 11,149,759.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964,528.71 : 28,435,273.47 = 7,436,184.13 : x
  2. Step 2: Convert to fraction form
    18,964,528.71/28,435,273.47 = 7,436,184.13/x
  3. Step 3: Cross multiply
    18,964,528.71x = 28,435,273.47 × 7,436,184.13
  4. Step 4: Simplify right side
    18,964,528.71x = 211,449,929,309,824.03
  5. Step 5: Solve for x
    x = 211,449,929,309,824.03/18,964,528.71
  6. Step 6: Final answer
    x = 11,149,759.24

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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.