Home / 12,794,327.80-19,201,989.30-12,374,423.80

Finding the Fourth Proportional to 12,794,327.80, 19,201,989.30 and 12,374,423.80

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Solution

The fourth proportional to 12,794,327.80, 19,201,989.30 and 12,374,423.80 is: 18,571,788.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,794,327.80 : 19,201,989.30 = 12,374,423.80 : x
  2. Step 2: Convert to fraction form
    12,794,327.80/19,201,989.30 = 12,374,423.80/x
  3. Step 3: Cross multiply
    12,794,327.80x = 19,201,989.30 × 12,374,423.80
  4. Step 4: Simplify right side
    12,794,327.80x = 237,613,553,401,265.38
  5. Step 5: Solve for x
    x = 237,613,553,401,265.38/12,794,327.80
  6. Step 6: Final answer
    x = 18,571,788.77

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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.