Home / 12,603,076.20-18,909,863.10-4,086,023.40

Finding the Fourth Proportional to 12,603,076.20, 18,909,863.10 and 4,086,023.40

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Solution

The fourth proportional to 12,603,076.20, 18,909,863.10 and 4,086,023.40 is: 6,130,736.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,603,076.20 : 18,909,863.10 = 4,086,023.40 : x
  2. Step 2: Convert to fraction form
    12,603,076.20/18,909,863.10 = 4,086,023.40/x
  3. Step 3: Cross multiply
    12,603,076.20x = 18,909,863.10 × 4,086,023.40
  4. Step 4: Simplify right side
    12,603,076.20x = 77,266,143,117,396.55
  5. Step 5: Solve for x
    x = 77,266,143,117,396.55/12,603,076.20
  6. Step 6: Final answer
    x = 6,130,736.81

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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.