Finding the Fourth Proportional to 36,129,965.49, 49,859,385.84 and 19,610,085.24
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Solution
The fourth proportional to 36,129,965.49, 49,859,385.84 and 19,610,085.24 is: 27,061,935.79
Step by Step Solution
- Step 1: Write the proportion equation
36,129,965.49 : 49,859,385.84 = 19,610,085.24 : x - Step 2: Convert to fraction form
36,129,965.49/49,859,385.84 = 19,610,085.24/x - Step 3: Cross multiply
36,129,965.49x = 49,859,385.84 × 19,610,085.24 - Step 4: Simplify right side
36,129,965.49x = 977,746,806,336,449 - Step 5: Solve for x
x = 977,746,806,336,449/36,129,965.49 - Step 6: Final answer
x = 27,061,935.79
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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.