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Finding the Fourth Proportional to 15,796,807.44, 21,793,102.41 and 9,600,856.01

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Solution

The fourth proportional to 15,796,807.44, 21,793,102.41 and 9,600,856.01 is: 13,245,235.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,796,807.44 : 21,793,102.41 = 9,600,856.01 : x
  2. Step 2: Convert to fraction form
    15,796,807.44/21,793,102.41 = 9,600,856.01/x
  3. Step 3: Cross multiply
    15,796,807.44x = 21,793,102.41 × 9,600,856.01
  4. Step 4: Simplify right side
    15,796,807.44x = 209,232,438,304,076.72
  5. Step 5: Solve for x
    x = 209,232,438,304,076.72/15,796,807.44
  6. Step 6: Final answer
    x = 13,245,235.73

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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.