Finding the Fourth Proportional to 13,948,405.97, 20,922,824.27 and 5,312,987.97
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Solution
The fourth proportional to 13,948,405.97, 20,922,824.27 and 5,312,987.97 is: 7,969,563.97
Step by Step Solution
- Step 1: Write the proportion equation
13,948,405.97 : 20,922,824.27 = 5,312,987.97 : x - Step 2: Convert to fraction form
13,948,405.97/20,922,824.27 = 5,312,987.97/x - Step 3: Cross multiply
13,948,405.97x = 20,922,824.27 × 5,312,987.97 - Step 4: Simplify right side
13,948,405.97x = 111,162,713,706,791.53 - Step 5: Solve for x
x = 111,162,713,706,791.53/13,948,405.97 - Step 6: Final answer
x = 7,969,563.97
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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.