Finding the Fourth Proportional to 8,410,878.81, 12,616,136.64 and 2,345,448.96
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Solution
The fourth proportional to 8,410,878.81, 12,616,136.64 and 2,345,448.96 is: 3,518,122.81
Step by Step Solution
- Step 1: Write the proportion equation
8,410,878.81 : 12,616,136.64 = 2,345,448.96 : x - Step 2: Convert to fraction form
8,410,878.81/12,616,136.64 = 2,345,448.96/x - Step 3: Cross multiply
8,410,878.81x = 12,616,136.64 × 2,345,448.96 - Step 4: Simplify right side
8,410,878.81x = 29,590,504,561,505.89 - Step 5: Solve for x
x = 29,590,504,561,505.89/8,410,878.81 - Step 6: Final answer
x = 3,518,122.81
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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.