Home / 13,190,762.97-19,786,152.42-3,605,420.61

Finding the Fourth Proportional to 13,190,762.97, 19,786,152.42 and 3,605,420.61

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Solution

The fourth proportional to 13,190,762.97, 19,786,152.42 and 3,605,420.61 is: 5,408,133.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190,762.97 : 19,786,152.42 = 3,605,420.61 : x
  2. Step 2: Convert to fraction form
    13,190,762.97/19,786,152.42 = 3,605,420.61/x
  3. Step 3: Cross multiply
    13,190,762.97x = 19,786,152.42 × 3,605,420.61
  4. Step 4: Simplify right side
    13,190,762.97x = 71,337,401,727,669.38
  5. Step 5: Solve for x
    x = 71,337,401,727,669.38/13,190,762.97
  6. Step 6: Final answer
    x = 5,408,133.09

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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.