Finding the Fourth Proportional to 18,081,889.05, 24,953,456.82 and 9,821,948.79
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Solution
The fourth proportional to 18,081,889.05, 24,953,456.82 and 9,821,948.79 is: 13,554,533.73
Step by Step Solution
- Step 1: Write the proportion equation
18,081,889.05 : 24,953,456.82 = 9,821,948.79 : x - Step 2: Convert to fraction form
18,081,889.05/24,953,456.82 = 9,821,948.79/x - Step 3: Cross multiply
18,081,889.05x = 24,953,456.82 × 9,821,948.79 - Step 4: Simplify right side
18,081,889.05x = 245,091,575,019,516.22 - Step 5: Solve for x
x = 245,091,575,019,516.22/18,081,889.05 - Step 6: Final answer
x = 13,554,533.73
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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.