Finding the Fourth Proportional to 21,858,219.36, 32,788,903.68 and 8,395,047.36
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Solution
The fourth proportional to 21,858,219.36, 32,788,903.68 and 8,395,047.36 is: 12,593,175.81
Step by Step Solution
- Step 1: Write the proportion equation
21,858,219.36 : 32,788,903.68 = 8,395,047.36 : x - Step 2: Convert to fraction form
21,858,219.36/32,788,903.68 = 8,395,047.36/x - Step 3: Cross multiply
21,858,219.36x = 32,788,903.68 × 8,395,047.36 - Step 4: Simplify right side
21,858,219.36x = 275,264,399,276,078.25 - Step 5: Solve for x
x = 275,264,399,276,078.25/21,858,219.36 - Step 6: Final answer
x = 12,593,175.81
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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.