Finding the Fourth Proportional to 18,319,044.96, 27,610,242.48 and 15,790,775.76
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Solution
The fourth proportional to 18,319,044.96, 27,610,242.48 and 15,790,775.76 is: 23,799,665.79
Step by Step Solution
- Step 1: Write the proportion equation
18,319,044.96 : 27,610,242.48 = 15,790,775.76 : x - Step 2: Convert to fraction form
18,319,044.96/27,610,242.48 = 15,790,775.76/x - Step 3: Cross multiply
18,319,044.96x = 27,610,242.48 × 15,790,775.76 - Step 4: Simplify right side
18,319,044.96x = 435,987,147,680,906.31 - Step 5: Solve for x
x = 435,987,147,680,906.31/18,319,044.96 - Step 6: Final answer
x = 23,799,665.79
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.