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Finding the Fourth Proportional to 12,784,672.87, 19,179,842.99 and 3,686,060.32

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Solution

The fourth proportional to 12,784,672.87, 19,179,842.99 and 3,686,060.32 is: 5,529,907.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,784,672.87 : 19,179,842.99 = 3,686,060.32 : x
  2. Step 2: Convert to fraction form
    12,784,672.87/19,179,842.99 = 3,686,060.32/x
  3. Step 3: Cross multiply
    12,784,672.87x = 19,179,842.99 × 3,686,060.32
  4. Step 4: Simplify right side
    12,784,672.87x = 70,698,058,122,889.25
  5. Step 5: Solve for x
    x = 70,698,058,122,889.25/12,784,672.87
  6. Step 6: Final answer
    x = 5,529,907.48

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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.