Home / 13,208,956.84-18,211,486.25-8,554,517.83

Finding the Fourth Proportional to 13,208,956.84, 18,211,486.25 and 8,554,517.83

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Solution

The fourth proportional to 13,208,956.84, 18,211,486.25 and 8,554,517.83 is: 11,794,306.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,208,956.84 : 18,211,486.25 = 8,554,517.83 : x
  2. Step 2: Convert to fraction form
    13,208,956.84/18,211,486.25 = 8,554,517.83/x
  3. Step 3: Cross multiply
    13,208,956.84x = 18,211,486.25 × 8,554,517.83
  4. Step 4: Simplify right side
    13,208,956.84x = 155,790,483,702,594.81
  5. Step 5: Solve for x
    x = 155,790,483,702,594.81/13,208,956.84
  6. Step 6: Final answer
    x = 11,794,306.37

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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.