Home / 12,805,687.14-19,208,563.47-5,232,652.86

Finding the Fourth Proportional to 12,805,687.14, 19,208,563.47 and 5,232,652.86

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Solution

The fourth proportional to 12,805,687.14, 19,208,563.47 and 5,232,652.86 is: 7,848,992.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,805,687.14 : 19,208,563.47 = 5,232,652.86 : x
  2. Step 2: Convert to fraction form
    12,805,687.14/19,208,563.47 = 5,232,652.86/x
  3. Step 3: Cross multiply
    12,805,687.14x = 19,208,563.47 × 5,232,652.86
  4. Step 4: Simplify right side
    12,805,687.14x = 100,511,744,577,787.03
  5. Step 5: Solve for x
    x = 100,511,744,577,787.03/12,805,687.14
  6. Step 6: Final answer
    x = 7,848,992.68

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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.