Home / 23,133,749.32-31,923,876.31-12,679,538.05

Finding the Fourth Proportional to 23,133,749.32, 31,923,876.31 and 12,679,538.05

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Solution

The fourth proportional to 23,133,749.32, 31,923,876.31 and 12,679,538.05 is: 17,497,380.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,133,749.32 : 31,923,876.31 = 12,679,538.05 : x
  2. Step 2: Convert to fraction form
    23,133,749.32/31,923,876.31 = 12,679,538.05/x
  3. Step 3: Cross multiply
    23,133,749.32x = 31,923,876.31 × 12,679,538.05
  4. Step 4: Simplify right side
    23,133,749.32x = 404,780,004,376,138.62
  5. Step 5: Solve for x
    x = 404,780,004,376,138.62/23,133,749.32
  6. Step 6: Final answer
    x = 17,497,380.07

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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.