Home / 12,296,420.20-18,444,630.30-8,629,477.30

Finding the Fourth Proportional to 12,296,420.20, 18,444,630.30 and 8,629,477.30

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Solution

The fourth proportional to 12,296,420.20, 18,444,630.30 and 8,629,477.30 is: 12,944,215.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,296,420.20 : 18,444,630.30 = 8,629,477.30 : x
  2. Step 2: Convert to fraction form
    12,296,420.20/18,444,630.30 = 8,629,477.30/x
  3. Step 3: Cross multiply
    12,296,420.20x = 18,444,630.30 × 8,629,477.30
  4. Step 4: Simplify right side
    12,296,420.20x = 159,167,518,480,742.22
  5. Step 5: Solve for x
    x = 159,167,518,480,742.22/12,296,420.20
  6. Step 6: Final answer
    x = 12,944,215.95

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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.