Finding the Fourth Proportional to 21,424,106.10, 29,565,174.99 and 11,634,481.74
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Solution
The fourth proportional to 21,424,106.10, 29,565,174.99 and 11,634,481.74 is: 16,055,535.15
Step by Step Solution
- Step 1: Write the proportion equation
21,424,106.10 : 29,565,174.99 = 11,634,481.74 : x - Step 2: Convert to fraction form
21,424,106.10/29,565,174.99 = 11,634,481.74/x - Step 3: Cross multiply
21,424,106.10x = 29,565,174.99 × 11,634,481.74 - Step 4: Simplify right side
21,424,106.10x = 343,975,488,561,059.69 - Step 5: Solve for x
x = 343,975,488,561,059.69/21,424,106.10 - Step 6: Final answer
x = 16,055,535.15
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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.