Home / 12,782,272.80-19,184,295.60-5,214,669.60

Finding the Fourth Proportional to 12,782,272.80, 19,184,295.60 and 5,214,669.60

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Solution

The fourth proportional to 12,782,272.80, 19,184,295.60 and 5,214,669.60 is: 7,826,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782,272.80 : 19,184,295.60 = 5,214,669.60 : x
  2. Step 2: Convert to fraction form
    12,782,272.80/19,184,295.60 = 5,214,669.60/x
  3. Step 3: Cross multiply
    12,782,272.80x = 19,184,295.60 × 5,214,669.60
  4. Step 4: Simplify right side
    12,782,272.80x = 100,039,763,062,733.77
  5. Step 5: Solve for x
    x = 100,039,763,062,733.77/12,782,272.80
  6. Step 6: Final answer
    x = 7,826,445.63

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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.