Home / 21,005,091.20-31,504,837.20-5,857,754.24

Finding the Fourth Proportional to 21,005,091.20, 31,504,837.20 and 5,857,754.24

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Solution

The fourth proportional to 21,005,091.20, 31,504,837.20 and 5,857,754.24 is: 8,785,850.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,005,091.20 : 31,504,837.20 = 5,857,754.24 : x
  2. Step 2: Convert to fraction form
    21,005,091.20/31,504,837.20 = 5,857,754.24/x
  3. Step 3: Cross multiply
    21,005,091.20x = 31,504,837.20 × 5,857,754.24
  4. Step 4: Simplify right side
    21,005,091.20x = 184,547,593,688,809.72
  5. Step 5: Solve for x
    x = 184,547,593,688,809.72/21,005,091.20
  6. Step 6: Final answer
    x = 8,785,850.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.