Finding the Fourth Proportional to 8,290,803.06, 12,427,779.42 and 3,435,750.99
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Solution
The fourth proportional to 8,290,803.06, 12,427,779.42 and 3,435,750.99 is: 5,150,135.05
Step by Step Solution
- Step 1: Write the proportion equation
8,290,803.06 : 12,427,779.42 = 3,435,750.99 : x - Step 2: Convert to fraction form
8,290,803.06/12,427,779.42 = 3,435,750.99/x - Step 3: Cross multiply
8,290,803.06x = 12,427,779.42 × 3,435,750.99 - Step 4: Simplify right side
8,290,803.06x = 42,698,755,445,766.62 - Step 5: Solve for x
x = 42,698,755,445,766.62/8,290,803.06 - Step 6: Final answer
x = 5,150,135.05
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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.