Finding the Fourth Proportional to 8,323,766.96, 12,486,650.78 and 2,931,302.84
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Solution
The fourth proportional to 8,323,766.96, 12,486,650.78 and 2,931,302.84 is: 4,397,306.54
Step by Step Solution
- Step 1: Write the proportion equation
8,323,766.96 : 12,486,650.78 = 2,931,302.84 : x - Step 2: Convert to fraction form
8,323,766.96/12,486,650.78 = 2,931,302.84/x - Step 3: Cross multiply
8,323,766.96x = 12,486,650.78 × 2,931,302.84 - Step 4: Simplify right side
8,323,766.96x = 36,602,154,838,397.22 - Step 5: Solve for x
x = 36,602,154,838,397.22/8,323,766.96 - Step 6: Final answer
x = 4,397,306.54
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1.5x scale
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.