Finding the Fourth Proportional to 14,182,448.68, 21,270,562.62 and 4,082,876.20
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Solution
The fourth proportional to 14,182,448.68, 21,270,562.62 and 4,082,876.20 is: 6,123,418.87
Step by Step Solution
- Step 1: Write the proportion equation
14,182,448.68 : 21,270,562.62 = 4,082,876.20 : x - Step 2: Convert to fraction form
14,182,448.68/21,270,562.62 = 4,082,876.20/x - Step 3: Cross multiply
14,182,448.68x = 21,270,562.62 × 4,082,876.20 - Step 4: Simplify right side
14,182,448.68x = 86,845,073,881,807.66 - Step 5: Solve for x
x = 86,845,073,881,807.66/14,182,448.68 - Step 6: Final answer
x = 6,123,418.87
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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.