Finding the Fourth Proportional to 35,112,366.74, 48,455,136.96 and 19,642,709.72
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Solution
The fourth proportional to 35,112,366.74, 48,455,136.96 and 19,642,709.72 is: 27,106,979.05
Step by Step Solution
- Step 1: Write the proportion equation
35,112,366.74 : 48,455,136.96 = 19,642,709.72 : x - Step 2: Convert to fraction form
35,112,366.74/48,455,136.96 = 19,642,709.72/x - Step 3: Cross multiply
35,112,366.74x = 48,455,136.96 × 19,642,709.72 - Step 4: Simplify right side
35,112,366.74x = 951,790,189,748,123.25 - Step 5: Solve for x
x = 951,790,189,748,123.25/35,112,366.74 - Step 6: Final answer
x = 27,106,979.05
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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.