Finding the Fourth Proportional to 21,652,704.10, 32,479,122.79 and 5,478,651.98
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Solution
The fourth proportional to 21,652,704.10, 32,479,122.79 and 5,478,651.98 is: 8,217,994.83
Step by Step Solution
- Step 1: Write the proportion equation
21,652,704.10 : 32,479,122.79 = 5,478,651.98 : x - Step 2: Convert to fraction form
21,652,704.10/32,479,122.79 = 5,478,651.98/x - Step 3: Cross multiply
21,652,704.10x = 32,479,122.79 × 5,478,651.98 - Step 4: Simplify right side
21,652,704.10x = 177,941,810,348,346.03 - Step 5: Solve for x
x = 177,941,810,348,346.03/21,652,704.10 - Step 6: Final answer
x = 8,217,994.83
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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.