Home / 38,141,820.72-52,635,092.49-20,738,604.20

Finding the Fourth Proportional to 38,141,820.72, 52,635,092.49 and 20,738,604.20

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Solution

The fourth proportional to 38,141,820.72, 52,635,092.49 and 20,738,604.20 is: 28,618,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,141,820.72 : 52,635,092.49 = 20,738,604.20 : x
  2. Step 2: Convert to fraction form
    38,141,820.72/52,635,092.49 = 20,738,604.20/x
  3. Step 3: Cross multiply
    38,141,820.72x = 52,635,092.49 × 20,738,604.20
  4. Step 4: Simplify right side
    38,141,820.72x = 1,091,578,349,917,327
  5. Step 5: Solve for x
    x = 1,091,578,349,917,327/38,141,820.72
  6. Step 6: Final answer
    x = 28,618,936.62

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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.