Finding the Fourth Proportional to 10,857,312.80, 16,284,802.80 and 2,879,136.80
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Solution
The fourth proportional to 10,857,312.80, 16,284,802.80 and 2,879,136.80 is: 4,318,395.89
Step by Step Solution
- Step 1: Write the proportion equation
10,857,312.80 : 16,284,802.80 = 2,879,136.80 : x - Step 2: Convert to fraction form
10,857,312.80/16,284,802.80 = 2,879,136.80/x - Step 3: Cross multiply
10,857,312.80x = 16,284,802.80 × 2,879,136.80 - Step 4: Simplify right side
10,857,312.80x = 46,886,175,022,223.04 - Step 5: Solve for x
x = 46,886,175,022,223.04/10,857,312.80 - Step 6: Final answer
x = 4,318,395.89
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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.