Finding the Fourth Proportional to 8,323,790.49, 12,486,686.22 and 2,931,326.46
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Solution
The fourth proportional to 8,323,790.49, 12,486,686.22 and 2,931,326.46 is: 4,397,342.02
Step by Step Solution
- Step 1: Write the proportion equation
8,323,790.49 : 12,486,686.22 = 2,931,326.46 : x - Step 2: Convert to fraction form
8,323,790.49/12,486,686.22 = 2,931,326.46/x - Step 3: Cross multiply
8,323,790.49x = 12,486,686.22 × 2,931,326.46 - Step 4: Simplify right side
8,323,790.49x = 36,602,553,714,403.38 - Step 5: Solve for x
x = 36,602,553,714,403.38/8,323,790.49 - Step 6: Final answer
x = 4,397,342.02
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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.