Finding the Fourth Proportional to 7,799,163.40, 11,705,657.10 and 4,600,289.80
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Solution
The fourth proportional to 7,799,163.40, 11,705,657.10 and 4,600,289.80 is: 6,904,511.70
Step by Step Solution
- Step 1: Write the proportion equation
7,799,163.40 : 11,705,657.10 = 4,600,289.80 : x - Step 2: Convert to fraction form
7,799,163.40/11,705,657.10 = 4,600,289.80/x - Step 3: Cross multiply
7,799,163.40x = 11,705,657.10 × 4,600,289.80 - Step 4: Simplify right side
7,799,163.40x = 53,849,414,959,427.58 - Step 5: Solve for x
x = 53,849,414,959,427.58/7,799,163.40 - Step 6: Final answer
x = 6,904,511.70
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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.