Home / 13,213,961.01-18,231,179.49-7,703,435.34

Finding the Fourth Proportional to 13,213,961.01, 18,231,179.49 and 7,703,435.34

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Solution

The fourth proportional to 13,213,961.01, 18,231,179.49 and 7,703,435.34 is: 10,628,358.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,961.01 : 18,231,179.49 = 7,703,435.34 : x
  2. Step 2: Convert to fraction form
    13,213,961.01/18,231,179.49 = 7,703,435.34/x
  3. Step 3: Cross multiply
    13,213,961.01x = 18,231,179.49 × 7,703,435.34
  4. Step 4: Simplify right side
    13,213,961.01x = 140,442,712,373,149.16
  5. Step 5: Solve for x
    x = 140,442,712,373,149.16/13,213,961.01
  6. Step 6: Final answer
    x = 10,628,358.31

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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.