Home / 12,848,969.86-19,247,757.81-7,728,573.22

Finding the Fourth Proportional to 12,848,969.86, 19,247,757.81 and 7,728,573.22

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Solution

The fourth proportional to 12,848,969.86, 19,247,757.81 and 7,728,573.22 is: 11,577,403.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,848,969.86 : 19,247,757.81 = 7,728,573.22 : x
  2. Step 2: Convert to fraction form
    12,848,969.86/19,247,757.81 = 7,728,573.22/x
  3. Step 3: Cross multiply
    12,848,969.86x = 19,247,757.81 × 7,728,573.22
  4. Step 4: Simplify right side
    12,848,969.86x = 148,757,705,555,411.84
  5. Step 5: Solve for x
    x = 148,757,705,555,411.84/12,848,969.86
  6. Step 6: Final answer
    x = 11,577,403.26

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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.