Home / 18,848,694.80-28,264,747.80-7,485,366.80

Finding the Fourth Proportional to 18,848,694.80, 28,264,747.80 and 7,485,366.80

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Solution

The fourth proportional to 18,848,694.80, 28,264,747.80 and 7,485,366.80 is: 11,224,756.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848,694.80 : 28,264,747.80 = 7,485,366.80 : x
  2. Step 2: Convert to fraction form
    18,848,694.80/28,264,747.80 = 7,485,366.80/x
  3. Step 3: Cross multiply
    18,848,694.80x = 28,264,747.80 × 7,485,366.80
  4. Step 4: Simplify right side
    18,848,694.80x = 211,572,004,792,493.03
  5. Step 5: Solve for x
    x = 211,572,004,792,493.03/18,848,694.80
  6. Step 6: Final answer
    x = 11,224,756.25

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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.