Finding the Fourth Proportional to 13,366,481.75, 18,442,583 and 7,565,263.49
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Solution
The fourth proportional to 13,366,481.75, 18,442,583 and 7,565,263.49 is: 10,438,274.07
Step by Step Solution
- Step 1: Write the proportion equation
13,366,481.75 : 18,442,583 = 7,565,263.49 : x - Step 2: Convert to fraction form
13,366,481.75/18,442,583 = 7,565,263.49/x - Step 3: Cross multiply
13,366,481.75x = 18,442,583 × 7,565,263.49 - Step 4: Simplify right side
13,366,481.75x = 139,522,999,831,194.67 - Step 5: Solve for x
x = 139,522,999,831,194.67/13,366,481.75 - Step 6: Final answer
x = 10,438,274.07
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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.