Home / 27,507,122.08-37,960,738.79-15,117,654.54

Finding the Fourth Proportional to 27,507,122.08, 37,960,738.79 and 15,117,654.54

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Solution

The fourth proportional to 27,507,122.08, 37,960,738.79 and 15,117,654.54 is: 20,862,863.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,507,122.08 : 37,960,738.79 = 15,117,654.54 : x
  2. Step 2: Convert to fraction form
    27,507,122.08/37,960,738.79 = 15,117,654.54/x
  3. Step 3: Cross multiply
    27,507,122.08x = 37,960,738.79 × 15,117,654.54
  4. Step 4: Simplify right side
    27,507,122.08x = 573,877,335,177,162
  5. Step 5: Solve for x
    x = 573,877,335,177,162/27,507,122.08
  6. Step 6: Final answer
    x = 20,862,863.57

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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.