Finding the Fourth Proportional to 7,140,015.95, 9,852,945.66 and 3,876,755.99
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Solution
The fourth proportional to 7,140,015.95, 9,852,945.66 and 3,876,755.99 is: 5,349,773.22
Step by Step Solution
- Step 1: Write the proportion equation
7,140,015.95 : 9,852,945.66 = 3,876,755.99 : x - Step 2: Convert to fraction form
7,140,015.95/9,852,945.66 = 3,876,755.99/x - Step 3: Cross multiply
7,140,015.95x = 9,852,945.66 × 3,876,755.99 - Step 4: Simplify right side
7,140,015.95x = 38,197,466,131,181.87 - Step 5: Solve for x
x = 38,197,466,131,181.87/7,140,015.95 - Step 6: Final answer
x = 5,349,773.22
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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.