Finding the Fourth Proportional to 8,145,233.70, 12,207,352.95 and 6,242,543.70
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Solution
The fourth proportional to 8,145,233.70, 12,207,352.95 and 6,242,543.70 is: 9,355,770.14
Step by Step Solution
- Step 1: Write the proportion equation
8,145,233.70 : 12,207,352.95 = 6,242,543.70 : x - Step 2: Convert to fraction form
8,145,233.70/12,207,352.95 = 6,242,543.70/x - Step 3: Cross multiply
8,145,233.70x = 12,207,352.95 × 6,242,543.70 - Step 4: Simplify right side
8,145,233.70x = 76,204,934,251,698.91 - Step 5: Solve for x
x = 76,204,934,251,698.91/8,145,233.70 - Step 6: Final answer
x = 9,355,770.14
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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.