Home / 15,747,662.81-21,731,774.99-8,504,318.81

Finding the Fourth Proportional to 15,747,662.81, 21,731,774.99 and 8,504,318.81

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Solution

The fourth proportional to 15,747,662.81, 21,731,774.99 and 8,504,318.81 is: 11,735,960.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,747,662.81 : 21,731,774.99 = 8,504,318.81 : x
  2. Step 2: Convert to fraction form
    15,747,662.81/21,731,774.99 = 8,504,318.81/x
  3. Step 3: Cross multiply
    15,747,662.81x = 21,731,774.99 × 8,504,318.81
  4. Step 4: Simplify right side
    15,747,662.81x = 184,813,942,833,952.41
  5. Step 5: Solve for x
    x = 184,813,942,833,952.41/15,747,662.81
  6. Step 6: Final answer
    x = 11,735,960.13

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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.