Finding the Fourth Proportional to 15,987,305.13, 22,062,442.80 and 9,017,959.42
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Solution
The fourth proportional to 15,987,305.13, 22,062,442.80 and 9,017,959.42 is: 12,444,762.41
Step by Step Solution
- Step 1: Write the proportion equation
15,987,305.13 : 22,062,442.80 = 9,017,959.42 : x - Step 2: Convert to fraction form
15,987,305.13/22,062,442.80 = 9,017,959.42/x - Step 3: Cross multiply
15,987,305.13x = 22,062,442.80 × 9,017,959.42 - Step 4: Simplify right side
15,987,305.13x = 198,958,213,876,471.19 - Step 5: Solve for x
x = 198,958,213,876,471.19/15,987,305.13 - Step 6: Final answer
x = 12,444,762.41
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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.