Finding the Fourth Proportional to 18,531,573.60, 27,798,742.80 and 6,562,754.40
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Solution
The fourth proportional to 18,531,573.60, 27,798,742.80 and 6,562,754.40 is: 9,844,621.16
Step by Step Solution
- Step 1: Write the proportion equation
18,531,573.60 : 27,798,742.80 = 6,562,754.40 : x - Step 2: Convert to fraction form
18,531,573.60/27,798,742.80 = 6,562,754.40/x - Step 3: Cross multiply
18,531,573.60x = 27,798,742.80 × 6,562,754.40 - Step 4: Simplify right side
18,531,573.60x = 182,436,321,625,168.34 - Step 5: Solve for x
x = 182,436,321,625,168.34/18,531,573.60 - Step 6: Final answer
x = 9,844,621.16
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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.