Finding the Fourth Proportional to 19,987,759.44, 27,582,879.24 and 10,820,201.04
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Solution
The fourth proportional to 19,987,759.44, 27,582,879.24 and 10,820,201.04 is: 14,931,753.58
Step by Step Solution
- Step 1: Write the proportion equation
19,987,759.44 : 27,582,879.24 = 10,820,201.04 : x - Step 2: Convert to fraction form
19,987,759.44/27,582,879.24 = 10,820,201.04/x - Step 3: Cross multiply
19,987,759.44x = 27,582,879.24 × 10,820,201.04 - Step 4: Simplify right side
19,987,759.44x = 298,452,298,638,842.38 - Step 5: Solve for x
x = 298,452,298,638,842.38/19,987,759.44 - Step 6: Final answer
x = 14,931,753.58
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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.