Home / 12,259,857.87-18,361,442.48-11,834,705.07

Finding the Fourth Proportional to 12,259,857.87, 18,361,442.48 and 11,834,705.07

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Solution

The fourth proportional to 12,259,857.87, 18,361,442.48 and 11,834,705.07 is: 17,724,696.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,259,857.87 : 18,361,442.48 = 11,834,705.07 : x
  2. Step 2: Convert to fraction form
    12,259,857.87/18,361,442.48 = 11,834,705.07/x
  3. Step 3: Cross multiply
    12,259,857.87x = 18,361,442.48 × 11,834,705.07
  4. Step 4: Simplify right side
    12,259,857.87x = 217,302,256,351,395.88
  5. Step 5: Solve for x
    x = 217,302,256,351,395.88/12,259,857.87
  6. Step 6: Final answer
    x = 17,724,696.21

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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.