Finding the Fourth Proportional to 32,315,670.48, 48,431,624.64 and 13,124,133.12
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Solution
The fourth proportional to 32,315,670.48, 48,431,624.64 and 13,124,133.12 is: 19,669,190.82
Step by Step Solution
- Step 1: Write the proportion equation
32,315,670.48 : 48,431,624.64 = 13,124,133.12 : x - Step 2: Convert to fraction form
32,315,670.48/48,431,624.64 = 13,124,133.12/x - Step 3: Cross multiply
32,315,670.48x = 48,431,624.64 × 13,124,133.12 - Step 4: Simplify right side
32,315,670.48x = 635,623,088,993,232 - Step 5: Solve for x
x = 635,623,088,993,232/32,315,670.48 - Step 6: Final answer
x = 19,669,190.82
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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.