Finding the Fourth Proportional to 26,296,896.20, 39,418,517.10 and 17,778,093.80
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Solution
The fourth proportional to 26,296,896.20, 39,418,517.10 and 17,778,093.80 is: 26,649,004.09
Step by Step Solution
- Step 1: Write the proportion equation
26,296,896.20 : 39,418,517.10 = 17,778,093.80 : x - Step 2: Convert to fraction form
26,296,896.20/39,418,517.10 = 17,778,093.80/x - Step 3: Cross multiply
26,296,896.20x = 39,418,517.10 × 17,778,093.80 - Step 4: Simplify right side
26,296,896.20x = 700,786,094,460,704 - Step 5: Solve for x
x = 700,786,094,460,704/26,296,896.20 - Step 6: Final answer
x = 26,649,004.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.