Home / 12,590,902.35-18,889,654.01-3,954,653.96

Finding the Fourth Proportional to 12,590,902.35, 18,889,654.01 and 3,954,653.96

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Solution

The fourth proportional to 12,590,902.35, 18,889,654.01 and 3,954,653.96 is: 5,933,017.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,590,902.35 : 18,889,654.01 = 3,954,653.96 : x
  2. Step 2: Convert to fraction form
    12,590,902.35/18,889,654.01 = 3,954,653.96/x
  3. Step 3: Cross multiply
    12,590,902.35x = 18,889,654.01 × 3,954,653.96
  4. Step 4: Simplify right side
    12,590,902.35x = 74,702,044,919,454.84
  5. Step 5: Solve for x
    x = 74,702,044,919,454.84/12,590,902.35
  6. Step 6: Final answer
    x = 5,933,017.57

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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.