Finding the Fourth Proportional to 35,407,703.68, 48,861,485.16 and 20,322,435.13
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Solution
The fourth proportional to 35,407,703.68, 48,861,485.16 and 20,322,435.13 is: 28,044,302.77
Step by Step Solution
- Step 1: Write the proportion equation
35,407,703.68 : 48,861,485.16 = 20,322,435.13 : x - Step 2: Convert to fraction form
35,407,703.68/48,861,485.16 = 20,322,435.13/x - Step 3: Cross multiply
35,407,703.68x = 48,861,485.16 × 20,322,435.13 - Step 4: Simplify right side
35,407,703.68x = 992,984,362,519,557.50 - Step 5: Solve for x
x = 992,984,362,519,557.50/35,407,703.68 - Step 6: Final answer
x = 28,044,302.77
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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.