Finding the Fourth Proportional to 11,077,572.66, 15,274,998.99 and 7,202,908.50
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Solution
The fourth proportional to 11,077,572.66, 15,274,998.99 and 7,202,908.50 is: 9,932,177.69
Step by Step Solution
- Step 1: Write the proportion equation
11,077,572.66 : 15,274,998.99 = 7,202,908.50 : x - Step 2: Convert to fraction form
11,077,572.66/15,274,998.99 = 7,202,908.50/x - Step 3: Cross multiply
11,077,572.66x = 15,274,998.99 × 7,202,908.50 - Step 4: Simplify right side
11,077,572.66x = 110,024,420,062,562.42 - Step 5: Solve for x
x = 110,024,420,062,562.42/11,077,572.66 - Step 6: Final answer
x = 9,932,177.69
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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.