Finding the Fourth Proportional to 8,317,207.70, 12,475,811.55 and 8,205,233.30
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Solution
The fourth proportional to 8,317,207.70, 12,475,811.55 and 8,205,233.30 is: 12,307,849.95
Step by Step Solution
- Step 1: Write the proportion equation
8,317,207.70 : 12,475,811.55 = 8,205,233.30 : x - Step 2: Convert to fraction form
8,317,207.70/12,475,811.55 = 8,205,233.30/x - Step 3: Cross multiply
8,317,207.70x = 12,475,811.55 × 8,205,233.30 - Step 4: Simplify right side
8,317,207.70x = 102,366,944,374,584.62 - Step 5: Solve for x
x = 102,366,944,374,584.62/8,317,207.70 - Step 6: Final answer
x = 12,307,849.95
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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.