Home / 13,579,759.96-18,739,639.74-7,468,169.56

Finding the Fourth Proportional to 13,579,759.96, 18,739,639.74 and 7,468,169.56

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Solution

The fourth proportional to 13,579,759.96, 18,739,639.74 and 7,468,169.56 is: 10,305,838.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,579,759.96 : 18,739,639.74 = 7,468,169.56 : x
  2. Step 2: Convert to fraction form
    13,579,759.96/18,739,639.74 = 7,468,169.56/x
  3. Step 3: Cross multiply
    13,579,759.96x = 18,739,639.74 × 7,468,169.56
  4. Step 4: Simplify right side
    13,579,759.96x = 139,950,807,071,634.30
  5. Step 5: Solve for x
    x = 139,950,807,071,634.30/13,579,759.96
  6. Step 6: Final answer
    x = 10,305,838.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.