Home / 20,425,224.32-30,638,614.08-7,644,383.36

Finding the Fourth Proportional to 20,425,224.32, 30,638,614.08 and 7,644,383.36

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Solution

The fourth proportional to 20,425,224.32, 30,638,614.08 and 7,644,383.36 is: 11,466,866.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,425,224.32 : 30,638,614.08 = 7,644,383.36 : x
  2. Step 2: Convert to fraction form
    20,425,224.32/30,638,614.08 = 7,644,383.36/x
  3. Step 3: Cross multiply
    20,425,224.32x = 30,638,614.08 × 7,644,383.36
  4. Step 4: Simplify right side
    20,425,224.32x = 234,213,311,646,613.72
  5. Step 5: Solve for x
    x = 234,213,311,646,613.72/20,425,224.32
  6. Step 6: Final answer
    x = 11,466,866.07

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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.