Home / 7,984,923.84-11,972,460.96-3,438,866.88

Finding the Fourth Proportional to 7,984,923.84, 11,972,460.96 and 3,438,866.88

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Solution

The fourth proportional to 7,984,923.84, 11,972,460.96 and 3,438,866.88 is: 5,156,179.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984,923.84 : 11,972,460.96 = 3,438,866.88 : x
  2. Step 2: Convert to fraction form
    7,984,923.84/11,972,460.96 = 3,438,866.88/x
  3. Step 3: Cross multiply
    7,984,923.84x = 11,972,460.96 × 3,438,866.88
  4. Step 4: Simplify right side
    7,984,923.84x = 41,171,699,467,437.01
  5. Step 5: Solve for x
    x = 41,171,699,467,437.01/7,984,923.84
  6. Step 6: Final answer
    x = 5,156,179.36

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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.