Finding the Fourth Proportional to 18,384,664.05, 27,527,229.68 and 14,403,352.05
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Solution
The fourth proportional to 18,384,664.05, 27,527,229.68 and 14,403,352.05 is: 21,566,038.89
Step by Step Solution
- Step 1: Write the proportion equation
18,384,664.05 : 27,527,229.68 = 14,403,352.05 : x - Step 2: Convert to fraction form
18,384,664.05/27,527,229.68 = 14,403,352.05/x - Step 3: Cross multiply
18,384,664.05x = 27,527,229.68 × 14,403,352.05 - Step 4: Simplify right side
18,384,664.05x = 396,484,379,970,232.12 - Step 5: Solve for x
x = 396,484,379,970,232.12/18,384,664.05 - Step 6: Final answer
x = 21,566,038.89
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.