Home / 12,173,750.40-18,259,243.20-3,199,209.60

Finding the Fourth Proportional to 12,173,750.40, 18,259,243.20 and 3,199,209.60

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Solution

The fourth proportional to 12,173,750.40, 18,259,243.20 and 3,199,209.60 is: 4,798,451.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,173,750.40 : 18,259,243.20 = 3,199,209.60 : x
  2. Step 2: Convert to fraction form
    12,173,750.40/18,259,243.20 = 3,199,209.60/x
  3. Step 3: Cross multiply
    12,173,750.40x = 18,259,243.20 × 3,199,209.60
  4. Step 4: Simplify right side
    12,173,750.40x = 58,415,146,134,174.72
  5. Step 5: Solve for x
    x = 58,415,146,134,174.72/12,173,750.40
  6. Step 6: Final answer
    x = 4,798,451.11

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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.