Home / 18,900,991.32-28,351,158.78-6,121,519.26

Finding the Fourth Proportional to 18,900,991.32, 28,351,158.78 and 6,121,519.26

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Solution

The fourth proportional to 18,900,991.32, 28,351,158.78 and 6,121,519.26 is: 9,182,172.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,900,991.32 : 28,351,158.78 = 6,121,519.26 : x
  2. Step 2: Convert to fraction form
    18,900,991.32/28,351,158.78 = 6,121,519.26/x
  3. Step 3: Cross multiply
    18,900,991.32x = 28,351,158.78 × 6,121,519.26
  4. Step 4: Simplify right side
    18,900,991.32x = 173,552,164,515,088.09
  5. Step 5: Solve for x
    x = 173,552,164,515,088.09/18,900,991.32
  6. Step 6: Final answer
    x = 9,182,172.59

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.