Home / 12,110,828.80-18,166,243.20-4,919,972.80

Finding the Fourth Proportional to 12,110,828.80, 18,166,243.20 and 4,919,972.80

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Solution

The fourth proportional to 12,110,828.80, 18,166,243.20 and 4,919,972.80 is: 7,379,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,110,828.80 : 18,166,243.20 = 4,919,972.80 : x
  2. Step 2: Convert to fraction form
    12,110,828.80/18,166,243.20 = 4,919,972.80/x
  3. Step 3: Cross multiply
    12,110,828.80x = 18,166,243.20 × 4,919,972.80
  4. Step 4: Simplify right side
    12,110,828.80x = 89,377,422,422,184.95
  5. Step 5: Solve for x
    x = 89,377,422,422,184.95/12,110,828.80
  6. Step 6: Final answer
    x = 7,379,959.20

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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.