Finding the Fourth Proportional to 16,053,996.40, 22,154,530.18 and 9,178,622.44
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Solution
The fourth proportional to 16,053,996.40, 22,154,530.18 and 9,178,622.44 is: 12,666,507.63
Step by Step Solution
- Step 1: Write the proportion equation
16,053,996.40 : 22,154,530.18 = 9,178,622.44 : x - Step 2: Convert to fraction form
16,053,996.40/22,154,530.18 = 9,178,622.44/x - Step 3: Cross multiply
16,053,996.40x = 22,154,530.18 × 9,178,622.44 - Step 4: Simplify right side
16,053,996.40x = 203,348,067,857,805.22 - Step 5: Solve for x
x = 203,348,067,857,805.22/16,053,996.40 - Step 6: Final answer
x = 12,666,507.63
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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.