Finding the Fourth Proportional to 8,305,916.21, 11,462,816.96 and 4,585,486.70
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Solution
The fourth proportional to 8,305,916.21, 11,462,816.96 and 4,585,486.70 is: 6,328,331.92
Step by Step Solution
- Step 1: Write the proportion equation
8,305,916.21 : 11,462,816.96 = 4,585,486.70 : x - Step 2: Convert to fraction form
8,305,916.21/11,462,816.96 = 4,585,486.70/x - Step 3: Cross multiply
8,305,916.21x = 11,462,816.96 × 4,585,486.70 - Step 4: Simplify right side
8,305,916.21x = 52,562,594,673,061.27 - Step 5: Solve for x
x = 52,562,594,673,061.27/8,305,916.21 - Step 6: Final answer
x = 6,328,331.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.