Finding the Fourth Proportional to 24,228,956.09, 33,435,959.61 and 13,215,705.23
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Solution
The fourth proportional to 24,228,956.09, 33,435,959.61 and 13,215,705.23 is: 18,237,673.33
Step by Step Solution
- Step 1: Write the proportion equation
24,228,956.09 : 33,435,959.61 = 13,215,705.23 : x - Step 2: Convert to fraction form
24,228,956.09/33,435,959.61 = 13,215,705.23/x - Step 3: Cross multiply
24,228,956.09x = 33,435,959.61 × 13,215,705.23 - Step 4: Simplify right side
24,228,956.09x = 441,879,786,287,945.75 - Step 5: Solve for x
x = 441,879,786,287,945.75/24,228,956.09 - Step 6: Final answer
x = 18,237,673.33
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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.