Home / 13,188,254.33-19,776,776.28-5,401,800.55

Finding the Fourth Proportional to 13,188,254.33, 19,776,776.28 and 5,401,800.55

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Solution

The fourth proportional to 13,188,254.33, 19,776,776.28 and 5,401,800.55 is: 8,100,404.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188,254.33 : 19,776,776.28 = 5,401,800.55 : x
  2. Step 2: Convert to fraction form
    13,188,254.33/19,776,776.28 = 5,401,800.55/x
  3. Step 3: Cross multiply
    13,188,254.33x = 19,776,776.28 × 5,401,800.55
  4. Step 4: Simplify right side
    13,188,254.33x = 106,830,200,910,135.94
  5. Step 5: Solve for x
    x = 106,830,200,910,135.94/13,188,254.33
  6. Step 6: Final answer
    x = 8,100,404.97

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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.