Home / 18,731,077.20-28,096,619.04-5,267,905.20

Finding the Fourth Proportional to 18,731,077.20, 28,096,619.04 and 5,267,905.20

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Solution

The fourth proportional to 18,731,077.20, 28,096,619.04 and 5,267,905.20 is: 7,901,858.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,731,077.20 : 28,096,619.04 = 5,267,905.20 : x
  2. Step 2: Convert to fraction form
    18,731,077.20/28,096,619.04 = 5,267,905.20/x
  3. Step 3: Cross multiply
    18,731,077.20x = 28,096,619.04 × 5,267,905.20
  4. Step 4: Simplify right side
    18,731,077.20x = 148,010,325,543,235
  5. Step 5: Solve for x
    x = 148,010,325,543,235/18,731,077.20
  6. Step 6: Final answer
    x = 7,901,858.71

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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.