Home / 18,751,057.88-28,127,669.52-7,236,584.88

Finding the Fourth Proportional to 18,751,057.88, 28,127,669.52 and 7,236,584.88

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Solution

The fourth proportional to 18,751,057.88, 28,127,669.52 and 7,236,584.88 is: 10,855,295.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,751,057.88 : 28,127,669.52 = 7,236,584.88 : x
  2. Step 2: Convert to fraction form
    18,751,057.88/28,127,669.52 = 7,236,584.88/x
  3. Step 3: Cross multiply
    18,751,057.88x = 28,127,669.52 × 7,236,584.88
  4. Step 4: Simplify right side
    18,751,057.88x = 203,548,267,958,068.84
  5. Step 5: Solve for x
    x = 203,548,267,958,068.84/18,751,057.88
  6. Step 6: Final answer
    x = 10,855,295.17

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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.