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Finding the Fourth Proportional to 8,959,060.76, 13,441,798.74 and 3,839,342.36

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Solution

The fourth proportional to 8,959,060.76, 13,441,798.74 and 3,839,342.36 is: 5,760,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,959,060.76 : 13,441,798.74 = 3,839,342.36 : x
  2. Step 2: Convert to fraction form
    8,959,060.76/13,441,798.74 = 3,839,342.36/x
  3. Step 3: Cross multiply
    8,959,060.76x = 13,441,798.74 × 3,839,342.36
  4. Step 4: Simplify right side
    8,959,060.76x = 51,607,667,297,076.62
  5. Step 5: Solve for x
    x = 51,607,667,297,076.62/8,959,060.76
  6. Step 6: Final answer
    x = 5,760,388.13

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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.