Finding the Fourth Proportional to 25,415,472.21, 35,073,581.63 and 13,813,062.99
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Solution
The fourth proportional to 25,415,472.21, 35,073,581.63 and 13,813,062.99 is: 19,062,151.92
Step by Step Solution
- Step 1: Write the proportion equation
25,415,472.21 : 35,073,581.63 = 13,813,062.99 : x - Step 2: Convert to fraction form
25,415,472.21/35,073,581.63 = 13,813,062.99/x - Step 3: Cross multiply
25,415,472.21x = 35,073,581.63 × 13,813,062.99 - Step 4: Simplify right side
25,415,472.21x = 484,473,592,271,031.56 - Step 5: Solve for x
x = 484,473,592,271,031.56/25,415,472.21 - Step 6: Final answer
x = 19,062,151.92
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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.