Finding the Fourth Proportional to 18,172,842.18, 27,259,500.68 and 6,042,305.54
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Solution
The fourth proportional to 18,172,842.18, 27,259,500.68 and 6,042,305.54 is: 9,063,537.25
Step by Step Solution
- Step 1: Write the proportion equation
18,172,842.18 : 27,259,500.68 = 6,042,305.54 : x - Step 2: Convert to fraction form
18,172,842.18/27,259,500.68 = 6,042,305.54/x - Step 3: Cross multiply
18,172,842.18x = 27,259,500.68 × 6,042,305.54 - Step 4: Simplify right side
18,172,842.18x = 164,710,231,976,397.78 - Step 5: Solve for x
x = 164,710,231,976,397.78/18,172,842.18 - Step 6: Final answer
x = 9,063,537.25
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.