Finding the Fourth Proportional to 12,284,386.17, 16,952,403.81 and 6,778,103.37
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Solution
The fourth proportional to 12,284,386.17, 16,952,403.81 and 6,778,103.37 is: 9,353,755.56
Step by Step Solution
- Step 1: Write the proportion equation
12,284,386.17 : 16,952,403.81 = 6,778,103.37 : x - Step 2: Convert to fraction form
12,284,386.17/16,952,403.81 = 6,778,103.37/x - Step 3: Cross multiply
12,284,386.17x = 16,952,403.81 × 6,778,103.37 - Step 4: Simplify right side
12,284,386.17x = 114,905,145,394,161.83 - Step 5: Solve for x
x = 114,905,145,394,161.83/12,284,386.17 - Step 6: Final answer
x = 9,353,755.56
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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.