Home / 8,237,333.20-12,355,999.80-2,558,131.60

Finding the Fourth Proportional to 8,237,333.20, 12,355,999.80 and 2,558,131.60

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Solution

The fourth proportional to 8,237,333.20, 12,355,999.80 and 2,558,131.60 is: 3,837,197.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,237,333.20 : 12,355,999.80 = 2,558,131.60 : x
  2. Step 2: Convert to fraction form
    8,237,333.20/12,355,999.80 = 2,558,131.60/x
  3. Step 3: Cross multiply
    8,237,333.20x = 12,355,999.80 × 2,558,131.60
  4. Step 4: Simplify right side
    8,237,333.20x = 31,608,273,537,973.68
  5. Step 5: Solve for x
    x = 31,608,273,537,973.68/8,237,333.20
  6. Step 6: Final answer
    x = 3,837,197.40

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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.