Finding the Fourth Proportional to 27,620,439.96, 41,432,320.70 and 8,451,363.09
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Solution
The fourth proportional to 27,620,439.96, 41,432,320.70 and 8,451,363.09 is: 12,677,552.80
Step by Step Solution
- Step 1: Write the proportion equation
27,620,439.96 : 41,432,320.70 = 8,451,363.09 : x - Step 2: Convert to fraction form
27,620,439.96/41,432,320.70 = 8,451,363.09/x - Step 3: Cross multiply
27,620,439.96x = 41,432,320.70 × 8,451,363.09 - Step 4: Simplify right side
27,620,439.96x = 350,159,585,897,023 - Step 5: Solve for x
x = 350,159,585,897,023/27,620,439.96 - Step 6: Final answer
x = 12,677,552.80
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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.