Home / 12,551,024.10-18,826,536.15-8,485,500.45

Finding the Fourth Proportional to 12,551,024.10, 18,826,536.15 and 8,485,500.45

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Solution

The fourth proportional to 12,551,024.10, 18,826,536.15 and 8,485,500.45 is: 12,728,250.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,551,024.10 : 18,826,536.15 = 8,485,500.45 : x
  2. Step 2: Convert to fraction form
    12,551,024.10/18,826,536.15 = 8,485,500.45/x
  3. Step 3: Cross multiply
    12,551,024.10x = 18,826,536.15 × 8,485,500.45
  4. Step 4: Simplify right side
    12,551,024.10x = 159,752,580,972,766.25
  5. Step 5: Solve for x
    x = 159,752,580,972,766.25/12,551,024.10
  6. Step 6: Final answer
    x = 12,728,250.68

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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.