Home / 28,324,481.56-42,325,479.03-21,267,592.27

Finding the Fourth Proportional to 28,324,481.56, 42,325,479.03 and 21,267,592.27

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Solution

The fourth proportional to 28,324,481.56, 42,325,479.03 and 21,267,592.27 is: 31,780,317.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,324,481.56 : 42,325,479.03 = 21,267,592.27 : x
  2. Step 2: Convert to fraction form
    28,324,481.56/42,325,479.03 = 21,267,592.27/x
  3. Step 3: Cross multiply
    28,324,481.56x = 42,325,479.03 × 21,267,592.27
  4. Step 4: Simplify right side
    28,324,481.56x = 900,161,030,642,475.12
  5. Step 5: Solve for x
    x = 900,161,030,642,475.12/28,324,481.56
  6. Step 6: Final answer
    x = 31,780,317.98

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.