Home / 13,612,290.94-20,399,190.78-7,549,693.66

Finding the Fourth Proportional to 13,612,290.94, 20,399,190.78 and 7,549,693.66

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Solution

The fourth proportional to 13,612,290.94, 20,399,190.78 and 7,549,693.66 is: 11,313,866.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,612,290.94 : 20,399,190.78 = 7,549,693.66 : x
  2. Step 2: Convert to fraction form
    13,612,290.94/20,399,190.78 = 7,549,693.66/x
  3. Step 3: Cross multiply
    13,612,290.94x = 20,399,190.78 × 7,549,693.66
  4. Step 4: Simplify right side
    13,612,290.94x = 154,007,641,300,896.47
  5. Step 5: Solve for x
    x = 154,007,641,300,896.47/13,612,290.94
  6. Step 6: Final answer
    x = 11,313,866.42

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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.