Finding the Fourth Proportional to 18,531,574.60, 27,798,744.30 and 6,562,755.40
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Solution
The fourth proportional to 18,531,574.60, 27,798,744.30 and 6,562,755.40 is: 9,844,622.66
Step by Step Solution
- Step 1: Write the proportion equation
18,531,574.60 : 27,798,744.30 = 6,562,755.40 : x - Step 2: Convert to fraction form
18,531,574.60/27,798,744.30 = 6,562,755.40/x - Step 3: Cross multiply
18,531,574.60x = 27,798,744.30 × 6,562,755.40 - Step 4: Simplify right side
18,531,574.60x = 182,436,359,268,044.25 - Step 5: Solve for x
x = 182,436,359,268,044.25/18,531,574.60 - Step 6: Final answer
x = 9,844,622.66
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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.