Finding the Fourth Proportional to 11,628,903.42, 17,443,836.09 and 3,431,545.70
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Solution
The fourth proportional to 11,628,903.42, 17,443,836.09 and 3,431,545.70 is: 5,147,460.47
Step by Step Solution
- Step 1: Write the proportion equation
11,628,903.42 : 17,443,836.09 = 3,431,545.70 : x - Step 2: Convert to fraction form
11,628,903.42/17,443,836.09 = 3,431,545.70/x - Step 3: Cross multiply
11,628,903.42x = 17,443,836.09 × 3,431,545.70 - Step 4: Simplify right side
11,628,903.42x = 59,859,320,638,925.13 - Step 5: Solve for x
x = 59,859,320,638,925.13/11,628,903.42 - Step 6: Final answer
x = 5,147,460.47
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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.