Finding the Fourth Proportional to 9,943,939.94, 14,916,230.69 and 2,755,543.10
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Solution
The fourth proportional to 9,943,939.94, 14,916,230.69 and 2,755,543.10 is: 4,133,403.53
Step by Step Solution
- Step 1: Write the proportion equation
9,943,939.94 : 14,916,230.69 = 2,755,543.10 : x - Step 2: Convert to fraction form
9,943,939.94/14,916,230.69 = 2,755,543.10/x - Step 3: Cross multiply
9,943,939.94x = 14,916,230.69 × 2,755,543.10 - Step 4: Simplify right side
9,943,939.94x = 41,102,316,467,478.88 - Step 5: Solve for x
x = 41,102,316,467,478.88/9,943,939.94 - Step 6: Final answer
x = 4,133,403.53
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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.