Finding the Fourth Proportional to 21,738,441.36, 32,606,914.64 and 5,564,532.68
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Solution
The fourth proportional to 21,738,441.36, 32,606,914.64 and 5,564,532.68 is: 8,346,607.70
Step by Step Solution
- Step 1: Write the proportion equation
21,738,441.36 : 32,606,914.64 = 5,564,532.68 : x - Step 2: Convert to fraction form
21,738,441.36/32,606,914.64 = 5,564,532.68/x - Step 3: Cross multiply
21,738,441.36x = 32,606,914.64 × 5,564,532.68 - Step 4: Simplify right side
21,738,441.36x = 181,442,242,108,250.44 - Step 5: Solve for x
x = 181,442,242,108,250.44/21,738,441.36 - Step 6: Final answer
x = 8,346,607.70
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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.