Finding the Fourth Proportional to 21,678,993.36, 32,518,504.80 and 5,506,157.52
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Solution
The fourth proportional to 21,678,993.36, 32,518,504.80 and 5,506,157.52 is: 8,259,240.03
Step by Step Solution
- Step 1: Write the proportion equation
21,678,993.36 : 32,518,504.80 = 5,506,157.52 : x - Step 2: Convert to fraction form
21,678,993.36/32,518,504.80 = 5,506,157.52/x - Step 3: Cross multiply
21,678,993.36x = 32,518,504.80 × 5,506,157.52 - Step 4: Simplify right side
21,678,993.36x = 179,052,009,743,676.09 - Step 5: Solve for x
x = 179,052,009,743,676.09/21,678,993.36 - Step 6: Final answer
x = 8,259,240.03
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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.