Finding the Fourth Proportional to 7,782,334.93, 10,738,806.62 and 4,518,512.18
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Solution
The fourth proportional to 7,782,334.93, 10,738,806.62 and 4,518,512.18 is: 6,235,073.26
Step by Step Solution
- Step 1: Write the proportion equation
7,782,334.93 : 10,738,806.62 = 4,518,512.18 : x - Step 2: Convert to fraction form
7,782,334.93/10,738,806.62 = 4,518,512.18/x - Step 3: Cross multiply
7,782,334.93x = 10,738,806.62 × 4,518,512.18 - Step 4: Simplify right side
7,782,334.93x = 48,523,428,476,684.26 - Step 5: Solve for x
x = 48,523,428,476,684.26/7,782,334.93 - Step 6: Final answer
x = 6,235,073.26
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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.