Home / 21,171,914.72-31,760,496.47-6,027,027.20

Finding the Fourth Proportional to 21,171,914.72, 31,760,496.47 and 6,027,027.20

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Solution

The fourth proportional to 21,171,914.72, 31,760,496.47 and 6,027,027.20 is: 9,041,287.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,171,914.72 : 31,760,496.47 = 6,027,027.20 : x
  2. Step 2: Convert to fraction form
    21,171,914.72/31,760,496.47 = 6,027,027.20/x
  3. Step 3: Cross multiply
    21,171,914.72x = 31,760,496.47 × 6,027,027.20
  4. Step 4: Simplify right side
    21,171,914.72x = 191,421,375,966,459.09
  5. Step 5: Solve for x
    x = 191,421,375,966,459.09/21,171,914.72
  6. Step 6: Final answer
    x = 9,041,287.88

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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.