Finding the Fourth Proportional to 18,222,749.10, 27,334,561.05 and 5,443,670.70
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Solution
The fourth proportional to 18,222,749.10, 27,334,561.05 and 5,443,670.70 is: 8,165,636.71
Step by Step Solution
- Step 1: Write the proportion equation
18,222,749.10 : 27,334,561.05 = 5,443,670.70 : x - Step 2: Convert to fraction form
18,222,749.10/27,334,561.05 = 5,443,670.70/x - Step 3: Cross multiply
18,222,749.10x = 27,334,561.05 × 5,443,670.70 - Step 4: Simplify right side
18,222,749.10x = 148,800,349,085,246.25 - Step 5: Solve for x
x = 148,800,349,085,246.25/18,222,749.10 - Step 6: Final answer
x = 8,165,636.71
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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.