Finding the Fourth Proportional to 19,708,514.07, 29,380,593.86 and 19,397,916.33
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Solution
The fourth proportional to 19,708,514.07, 29,380,593.86 and 19,397,916.33 is: 28,917,568.28
Step by Step Solution
- Step 1: Write the proportion equation
19,708,514.07 : 29,380,593.86 = 19,397,916.33 : x - Step 2: Convert to fraction form
19,708,514.07/29,380,593.86 = 19,397,916.33/x - Step 3: Cross multiply
19,708,514.07x = 29,380,593.86 × 19,397,916.33 - Step 4: Simplify right side
19,708,514.07x = 569,922,301,287,567.12 - Step 5: Solve for x
x = 569,922,301,287,567.12/19,708,514.07 - Step 6: Final answer
x = 28,917,568.28
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.