Home / 12,099,310.20-18,148,965.30-9,859,822.20

Finding the Fourth Proportional to 12,099,310.20, 18,148,965.30 and 9,859,822.20

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Solution

The fourth proportional to 12,099,310.20, 18,148,965.30 and 9,859,822.20 is: 14,789,733.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,099,310.20 : 18,148,965.30 = 9,859,822.20 : x
  2. Step 2: Convert to fraction form
    12,099,310.20/18,148,965.30 = 9,859,822.20/x
  3. Step 3: Cross multiply
    12,099,310.20x = 18,148,965.30 × 9,859,822.20
  4. Step 4: Simplify right side
    12,099,310.20x = 178,945,570,971,969.66
  5. Step 5: Solve for x
    x = 178,945,570,971,969.66/12,099,310.20
  6. Step 6: Final answer
    x = 14,789,733.30

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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.