Finding the Fourth Proportional to 36,129,963.23, 49,859,382.74 and 19,610,082.99
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Solution
The fourth proportional to 36,129,963.23, 49,859,382.74 and 19,610,082.99 is: 27,061,932.70
Step by Step Solution
- Step 1: Write the proportion equation
36,129,963.23 : 49,859,382.74 = 19,610,082.99 : x - Step 2: Convert to fraction form
36,129,963.23/49,859,382.74 = 19,610,082.99/x - Step 3: Cross multiply
36,129,963.23x = 49,859,382.74 × 19,610,082.99 - Step 4: Simplify right side
36,129,963.23x = 977,746,633,263,523.12 - Step 5: Solve for x
x = 977,746,633,263,523.12/36,129,963.23 - Step 6: Final answer
x = 27,061,932.70
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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.