Finding the Fourth Proportional to 22,932,534.63, 31,646,497.34 and 12,478,198.28
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Solution
The fourth proportional to 22,932,534.63, 31,646,497.34 and 12,478,198.28 is: 17,219,695.73
Step by Step Solution
- Step 1: Write the proportion equation
22,932,534.63 : 31,646,497.34 = 12,478,198.28 : x - Step 2: Convert to fraction form
22,932,534.63/31,646,497.34 = 12,478,198.28/x - Step 3: Cross multiply
22,932,534.63x = 31,646,497.34 × 12,478,198.28 - Step 4: Simplify right side
22,932,534.63x = 394,891,268,548,975.62 - Step 5: Solve for x
x = 394,891,268,548,975.62/22,932,534.63 - Step 6: Final answer
x = 17,219,695.73
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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.