Finding the Fourth Proportional to 10,328,165.28, 15,459,122.16 and 5,523,841.44
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Solution
The fourth proportional to 10,328,165.28, 15,459,122.16 and 5,523,841.44 is: 8,268,045.42
Step by Step Solution
- Step 1: Write the proportion equation
10,328,165.28 : 15,459,122.16 = 5,523,841.44 : x - Step 2: Convert to fraction form
10,328,165.28/15,459,122.16 = 5,523,841.44/x - Step 3: Cross multiply
10,328,165.28x = 15,459,122.16 × 5,523,841.44 - Step 4: Simplify right side
10,328,165.28x = 85,393,739,613,430.31 - Step 5: Solve for x
x = 85,393,739,613,430.31/10,328,165.28 - Step 6: Final answer
x = 8,268,045.42
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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.