Finding the Fourth Proportional to 15,502,150.44, 21,392,797.84 and 8,532,678.99
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Solution
The fourth proportional to 15,502,150.44, 21,392,797.84 and 8,532,678.99 is: 11,775,003.55
Step by Step Solution
- Step 1: Write the proportion equation
15,502,150.44 : 21,392,797.84 = 8,532,678.99 : x - Step 2: Convert to fraction form
15,502,150.44/21,392,797.84 = 8,532,678.99/x - Step 3: Cross multiply
15,502,150.44x = 21,392,797.84 × 8,532,678.99 - Step 4: Simplify right side
15,502,150.44x = 182,537,876,517,058 - Step 5: Solve for x
x = 182,537,876,517,058/15,502,150.44 - Step 6: Final answer
x = 11,775,003.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.