Home / 20,258,255.07-27,956,392.35-11,090,897.82

Finding the Fourth Proportional to 20,258,255.07, 27,956,392.35 and 11,090,897.82

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Solution

The fourth proportional to 20,258,255.07, 27,956,392.35 and 11,090,897.82 is: 15,305,439.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,258,255.07 : 27,956,392.35 = 11,090,897.82 : x
  2. Step 2: Convert to fraction form
    20,258,255.07/27,956,392.35 = 11,090,897.82/x
  3. Step 3: Cross multiply
    20,258,255.07x = 27,956,392.35 × 11,090,897.82
  4. Step 4: Simplify right side
    20,258,255.07x = 310,061,490,969,679.69
  5. Step 5: Solve for x
    x = 310,061,490,969,679.69/20,258,255.07
  6. Step 6: Final answer
    x = 15,305,439.19

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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.