Home / 19,296,100.67-28,916,939.25-10,664,088.21

Finding the Fourth Proportional to 19,296,100.67, 28,916,939.25 and 10,664,088.21

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Solution

The fourth proportional to 19,296,100.67, 28,916,939.25 and 10,664,088.21 is: 15,981,093.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,296,100.67 : 28,916,939.25 = 10,664,088.21 : x
  2. Step 2: Convert to fraction form
    19,296,100.67/28,916,939.25 = 10,664,088.21/x
  3. Step 3: Cross multiply
    19,296,100.67x = 28,916,939.25 × 10,664,088.21
  4. Step 4: Simplify right side
    19,296,100.67x = 308,372,790,925,211.25
  5. Step 5: Solve for x
    x = 308,372,790,925,211.25/19,296,100.67
  6. Step 6: Final answer
    x = 15,981,093.60

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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.