Finding the Fourth Proportional to 11,463,699.88, 15,820,030.98 and 6,236,737.53
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Solution
The fourth proportional to 11,463,699.88, 15,820,030.98 and 6,236,737.53 is: 8,606,765.88
Step by Step Solution
- Step 1: Write the proportion equation
11,463,699.88 : 15,820,030.98 = 6,236,737.53 : x - Step 2: Convert to fraction form
11,463,699.88/15,820,030.98 = 6,236,737.53/x - Step 3: Cross multiply
11,463,699.88x = 15,820,030.98 × 6,236,737.53 - Step 4: Simplify right side
11,463,699.88x = 98,665,380,938,728.69 - Step 5: Solve for x
x = 98,665,380,938,728.69/11,463,699.88 - Step 6: Final answer
x = 8,606,765.88
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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.