Home / 18,927,729.54-28,380,222.86-7,399,466.15

Finding the Fourth Proportional to 18,927,729.54, 28,380,222.86 and 7,399,466.15

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Solution

The fourth proportional to 18,927,729.54, 28,380,222.86 and 7,399,466.15 is: 11,094,753.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,927,729.54 : 28,380,222.86 = 7,399,466.15 : x
  2. Step 2: Convert to fraction form
    18,927,729.54/28,380,222.86 = 7,399,466.15/x
  3. Step 3: Cross multiply
    18,927,729.54x = 28,380,222.86 × 7,399,466.15
  4. Step 4: Simplify right side
    18,927,729.54x = 209,998,498,203,127.75
  5. Step 5: Solve for x
    x = 209,998,498,203,127.75/18,927,729.54
  6. Step 6: Final answer
    x = 11,094,753.75

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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.