Home / 12,786,107.96-19,186,728.54-4,704,758.48

Finding the Fourth Proportional to 12,786,107.96, 19,186,728.54 and 4,704,758.48

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Solution

The fourth proportional to 12,786,107.96, 19,186,728.54 and 4,704,758.48 is: 7,059,921.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,786,107.96 : 19,186,728.54 = 4,704,758.48 : x
  2. Step 2: Convert to fraction form
    12,786,107.96/19,186,728.54 = 4,704,758.48/x
  3. Step 3: Cross multiply
    12,786,107.96x = 19,186,728.54 × 4,704,758.48
  4. Step 4: Simplify right side
    12,786,107.96x = 90,268,923,802,023.03
  5. Step 5: Solve for x
    x = 90,268,923,802,023.03/12,786,107.96
  6. Step 6: Final answer
    x = 7,059,921.92

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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.