Finding the Fourth Proportional to 15,613,940, 21,560,534.16 and 9,822,414.08
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Solution
The fourth proportional to 15,613,940, 21,560,534.16 and 9,822,414.08 is: 13,563,296.28
Step by Step Solution
- Step 1: Write the proportion equation
15,613,940 : 21,560,534.16 = 9,822,414.08 : x - Step 2: Convert to fraction form
15,613,940/21,560,534.16 = 9,822,414.08/x - Step 3: Cross multiply
15,613,940x = 21,560,534.16 × 9,822,414.08 - Step 4: Simplify right side
15,613,940x = 211,776,494,305,504.97 - Step 5: Solve for x
x = 211,776,494,305,504.97/15,613,940 - Step 6: Final answer
x = 13,563,296.28
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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.