Home / 14,223,120.75-19,621,651.82-8,339,751.90

Finding the Fourth Proportional to 14,223,120.75, 19,621,651.82 and 8,339,751.90

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Solution

The fourth proportional to 14,223,120.75, 19,621,651.82 and 8,339,751.90 is: 11,505,190.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223,120.75 : 19,621,651.82 = 8,339,751.90 : x
  2. Step 2: Convert to fraction form
    14,223,120.75/19,621,651.82 = 8,339,751.90/x
  3. Step 3: Cross multiply
    14,223,120.75x = 19,621,651.82 × 8,339,751.90
  4. Step 4: Simplify right side
    14,223,120.75x = 163,639,708,005,284.72
  5. Step 5: Solve for x
    x = 163,639,708,005,284.72/14,223,120.75
  6. Step 6: Final answer
    x = 11,505,190.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.