Home / 13,165,845.08-18,160,921.55-8,695,427.54

Finding the Fourth Proportional to 13,165,845.08, 18,160,921.55 and 8,695,427.54

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Solution

The fourth proportional to 13,165,845.08, 18,160,921.55 and 8,695,427.54 is: 11,994,442.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165,845.08 : 18,160,921.55 = 8,695,427.54 : x
  2. Step 2: Convert to fraction form
    13,165,845.08/18,160,921.55 = 8,695,427.54/x
  3. Step 3: Cross multiply
    13,165,845.08x = 18,160,921.55 × 8,695,427.54
  4. Step 4: Simplify right side
    13,165,845.08x = 157,916,977,328,583.44
  5. Step 5: Solve for x
    x = 157,916,977,328,583.44/13,165,845.08
  6. Step 6: Final answer
    x = 11,994,442.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.