Finding the Fourth Proportional to 18,997,480.27, 26,229,392.08 and 12,034,336.99
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Solution
The fourth proportional to 18,997,480.27, 26,229,392.08 and 12,034,336.99 is: 16,615,537.37
Step by Step Solution
- Step 1: Write the proportion equation
18,997,480.27 : 26,229,392.08 = 12,034,336.99 : x - Step 2: Convert to fraction form
18,997,480.27/26,229,392.08 = 12,034,336.99/x - Step 3: Cross multiply
18,997,480.27x = 26,229,392.08 × 12,034,336.99 - Step 4: Simplify right side
18,997,480.27x = 315,653,343,237,897.75 - Step 5: Solve for x
x = 315,653,343,237,897.75/18,997,480.27 - Step 6: Final answer
x = 16,615,537.37
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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.