Finding the Fourth Proportional to 7,160,228.28, 9,882,136.62 and 4,063,512.96
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Solution
The fourth proportional to 7,160,228.28, 9,882,136.62 and 4,063,512.96 is: 5,608,227.65
Step by Step Solution
- Step 1: Write the proportion equation
7,160,228.28 : 9,882,136.62 = 4,063,512.96 : x - Step 2: Convert to fraction form
7,160,228.28/9,882,136.62 = 4,063,512.96/x - Step 3: Cross multiply
7,160,228.28x = 9,882,136.62 × 4,063,512.96 - Step 4: Simplify right side
7,160,228.28x = 40,156,190,227,860.59 - Step 5: Solve for x
x = 40,156,190,227,860.59/7,160,228.28 - Step 6: Final answer
x = 5,608,227.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.