Home / 13,578,039.90-20,367,059.85-11,824,284.60

Finding the Fourth Proportional to 13,578,039.90, 20,367,059.85 and 11,824,284.60

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Solution

The fourth proportional to 13,578,039.90, 20,367,059.85 and 11,824,284.60 is: 17,736,426.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,578,039.90 : 20,367,059.85 = 11,824,284.60 : x
  2. Step 2: Convert to fraction form
    13,578,039.90/20,367,059.85 = 11,824,284.60/x
  3. Step 3: Cross multiply
    13,578,039.90x = 20,367,059.85 × 11,824,284.60
  4. Step 4: Simplify right side
    13,578,039.90x = 240,825,912,131,633.31
  5. Step 5: Solve for x
    x = 240,825,912,131,633.31/13,578,039.90
  6. Step 6: Final answer
    x = 17,736,426.90

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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.