Home / 38,141,822.97-52,635,095.60-20,738,606.45

Finding the Fourth Proportional to 38,141,822.97, 52,635,095.60 and 20,738,606.45

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Solution

The fourth proportional to 38,141,822.97, 52,635,095.60 and 20,738,606.45 is: 28,618,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,141,822.97 : 52,635,095.60 = 20,738,606.45 : x
  2. Step 2: Convert to fraction form
    38,141,822.97/52,635,095.60 = 20,738,606.45/x
  3. Step 3: Cross multiply
    38,141,822.97x = 52,635,095.60 × 20,738,606.45
  4. Step 4: Simplify right side
    38,141,822.97x = 1,091,578,532,739,658.12
  5. Step 5: Solve for x
    x = 1,091,578,532,739,658.12/38,141,822.97
  6. Step 6: Final answer
    x = 28,618,939.73

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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.