Home / 18,331,485.84-27,460,912.82-12,560,036.58

Finding the Fourth Proportional to 18,331,485.84, 27,460,912.82 and 12,560,036.58

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Solution

The fourth proportional to 18,331,485.84, 27,460,912.82 and 12,560,036.58 is: 18,815,172.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,331,485.84 : 27,460,912.82 = 12,560,036.58 : x
  2. Step 2: Convert to fraction form
    18,331,485.84/27,460,912.82 = 12,560,036.58/x
  3. Step 3: Cross multiply
    18,331,485.84x = 27,460,912.82 × 12,560,036.58
  4. Step 4: Simplify right side
    18,331,485.84x = 344,910,069,476,590.81
  5. Step 5: Solve for x
    x = 344,910,069,476,590.81/18,331,485.84
  6. Step 6: Final answer
    x = 18,815,172.57

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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.