Home / 13,157,351.68-19,753,932.16-7,404,149.76

Finding the Fourth Proportional to 13,157,351.68, 19,753,932.16 and 7,404,149.76

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Solution

The fourth proportional to 13,157,351.68, 19,753,932.16 and 7,404,149.76 is: 11,116,300.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,157,351.68 : 19,753,932.16 = 7,404,149.76 : x
  2. Step 2: Convert to fraction form
    13,157,351.68/19,753,932.16 = 7,404,149.76/x
  3. Step 3: Cross multiply
    13,157,351.68x = 19,753,932.16 × 7,404,149.76
  4. Step 4: Simplify right side
    13,157,351.68x = 146,261,072,061,520.28
  5. Step 5: Solve for x
    x = 146,261,072,061,520.28/13,157,351.68
  6. Step 6: Final answer
    x = 11,116,300.27

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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.