Home / 38,936,878.88-53,731,906.08-21,532,760.96

Finding the Fourth Proportional to 38,936,878.88, 53,731,906.08 and 21,532,760.96

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Solution

The fourth proportional to 38,936,878.88, 53,731,906.08 and 21,532,760.96 is: 29,714,664.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,936,878.88 : 53,731,906.08 = 21,532,760.96 : x
  2. Step 2: Convert to fraction form
    38,936,878.88/53,731,906.08 = 21,532,760.96/x
  3. Step 3: Cross multiply
    38,936,878.88x = 53,731,906.08 × 21,532,760.96
  4. Step 4: Simplify right side
    38,936,878.88x = 1,156,996,289,545,810.75
  5. Step 5: Solve for x
    x = 1,156,996,289,545,810.75/38,936,878.88
  6. Step 6: Final answer
    x = 29,714,664.42

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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.