Home / 20,605,427.59-30,901,579.24-6,769,174.66

Finding the Fourth Proportional to 20,605,427.59, 30,901,579.24 and 6,769,174.66

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Solution

The fourth proportional to 20,605,427.59, 30,901,579.24 and 6,769,174.66 is: 10,151,606.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,605,427.59 : 30,901,579.24 = 6,769,174.66 : x
  2. Step 2: Convert to fraction form
    20,605,427.59/30,901,579.24 = 6,769,174.66/x
  3. Step 3: Cross multiply
    20,605,427.59x = 30,901,579.24 × 6,769,174.66
  4. Step 4: Simplify right side
    20,605,427.59x = 209,178,187,145,390.06
  5. Step 5: Solve for x
    x = 209,178,187,145,390.06/20,605,427.59
  6. Step 6: Final answer
    x = 10,151,606.23

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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.