Home / 21,649,229.70-29,874,878.67-11,859,725.62

Finding the Fourth Proportional to 21,649,229.70, 29,874,878.67 and 11,859,725.62

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Solution

The fourth proportional to 21,649,229.70, 29,874,878.67 and 11,859,725.62 is: 16,365,841.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,649,229.70 : 29,874,878.67 = 11,859,725.62 : x
  2. Step 2: Convert to fraction form
    21,649,229.70/29,874,878.67 = 11,859,725.62/x
  3. Step 3: Cross multiply
    21,649,229.70x = 29,874,878.67 × 11,859,725.62
  4. Step 4: Simplify right side
    21,649,229.70x = 354,307,863,956,990.50
  5. Step 5: Solve for x
    x = 354,307,863,956,990.50/21,649,229.70
  6. Step 6: Final answer
    x = 16,365,841.60

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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.