Finding the Fourth Proportional to 13,692,175.97, 20,505,660.11 and 7,922,750.75
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Solution
The fourth proportional to 13,692,175.97, 20,505,660.11 and 7,922,750.75 is: 11,865,260.44
Step by Step Solution
- Step 1: Write the proportion equation
13,692,175.97 : 20,505,660.11 = 7,922,750.75 : x - Step 2: Convert to fraction form
13,692,175.97/20,505,660.11 = 7,922,750.75/x - Step 3: Cross multiply
13,692,175.97x = 20,505,660.11 × 7,922,750.75 - Step 4: Simplify right side
13,692,175.97x = 162,461,233,900,253.22 - Step 5: Solve for x
x = 162,461,233,900,253.22/13,692,175.97 - Step 6: Final answer
x = 11,865,260.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.