Home / 21,200,858.84-31,801,454.04-11,611,005.86

Finding the Fourth Proportional to 21,200,858.84, 31,801,454.04 and 11,611,005.86

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Solution

The fourth proportional to 21,200,858.84, 31,801,454.04 and 11,611,005.86 is: 17,416,599.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,200,858.84 : 31,801,454.04 = 11,611,005.86 : x
  2. Step 2: Convert to fraction form
    21,200,858.84/31,801,454.04 = 11,611,005.86/x
  3. Step 3: Cross multiply
    21,200,858.84x = 31,801,454.04 × 11,611,005.86
  4. Step 4: Simplify right side
    21,200,858.84x = 369,246,869,214,960.62
  5. Step 5: Solve for x
    x = 369,246,869,214,960.62/21,200,858.84
  6. Step 6: Final answer
    x = 17,416,599.58

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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.