Home / 12,103,660.98-18,155,401.02-3,467,768.78

Finding the Fourth Proportional to 12,103,660.98, 18,155,401.02 and 3,467,768.78

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Solution

The fourth proportional to 12,103,660.98, 18,155,401.02 and 3,467,768.78 is: 5,201,627.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103,660.98 : 18,155,401.02 = 3,467,768.78 : x
  2. Step 2: Convert to fraction form
    12,103,660.98/18,155,401.02 = 3,467,768.78/x
  3. Step 3: Cross multiply
    12,103,660.98x = 18,155,401.02 × 3,467,768.78
  4. Step 4: Simplify right side
    12,103,660.98x = 62,958,732,890,924.66
  5. Step 5: Solve for x
    x = 62,958,732,890,924.66/12,103,660.98
  6. Step 6: Final answer
    x = 5,201,627.26

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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.