Home / 30,174,145.30-41,655,082.44-20,247,476.44

Finding the Fourth Proportional to 30,174,145.30, 41,655,082.44 and 20,247,476.44

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Solution

The fourth proportional to 30,174,145.30, 41,655,082.44 and 20,247,476.44 is: 27,951,423.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,174,145.30 : 41,655,082.44 = 20,247,476.44 : x
  2. Step 2: Convert to fraction form
    30,174,145.30/41,655,082.44 = 20,247,476.44/x
  3. Step 3: Cross multiply
    30,174,145.30x = 41,655,082.44 × 20,247,476.44
  4. Step 4: Simplify right side
    30,174,145.30x = 843,410,300,310,157.75
  5. Step 5: Solve for x
    x = 843,410,300,310,157.75/30,174,145.30
  6. Step 6: Final answer
    x = 27,951,423.05

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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.