Home / 13,188,255.58-19,776,778.16-5,401,801.80

Finding the Fourth Proportional to 13,188,255.58, 19,776,778.16 and 5,401,801.80

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Solution

The fourth proportional to 13,188,255.58, 19,776,778.16 and 5,401,801.80 is: 8,100,406.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,255.58 : 19,776,778.16 = 5,401,801.80 : x
  2. Step 2: Convert to fraction form
    13,188,255.58/19,776,778.16 = 5,401,801.80/x
  3. Step 3: Cross multiply
    13,188,255.58x = 19,776,778.16 × 5,401,801.80
  4. Step 4: Simplify right side
    13,188,255.58x = 106,830,235,736,995.80
  5. Step 5: Solve for x
    x = 106,830,235,736,995.80/13,188,255.58
  6. Step 6: Final answer
    x = 8,100,406.84

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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.