Finding the Fourth Proportional to 8,730,613.92, 12,043,915.20 and 5,833,888.68
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Solution
The fourth proportional to 8,730,613.92, 12,043,915.20 and 5,833,888.68 is: 8,047,871.68
Step by Step Solution
- Step 1: Write the proportion equation
8,730,613.92 : 12,043,915.20 = 5,833,888.68 : x - Step 2: Convert to fraction form
8,730,613.92/12,043,915.20 = 5,833,888.68/x - Step 3: Cross multiply
8,730,613.92x = 12,043,915.20 × 5,833,888.68 - Step 4: Simplify right side
8,730,613.92x = 70,262,860,548,159.93 - Step 5: Solve for x
x = 70,262,860,548,159.93/8,730,613.92 - Step 6: Final answer
x = 8,047,871.68
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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.