Finding the Fourth Proportional to 11,136,491.68, 16,705,083.12 and 5,299,398.40
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Solution
The fourth proportional to 11,136,491.68, 16,705,083.12 and 5,299,398.40 is: 7,949,262.06
Step by Step Solution
- Step 1: Write the proportion equation
11,136,491.68 : 16,705,083.12 = 5,299,398.40 : x - Step 2: Convert to fraction form
11,136,491.68/16,705,083.12 = 5,299,398.40/x - Step 3: Cross multiply
11,136,491.68x = 16,705,083.12 × 5,299,398.40 - Step 4: Simplify right side
11,136,491.68x = 88,526,890,757,995.02 - Step 5: Solve for x
x = 88,526,890,757,995.02/11,136,491.68 - Step 6: Final answer
x = 7,949,262.06
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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.