Finding the Fourth Proportional to 7,907,690.08, 11,847,990.84 and 4,315,975.12
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Solution
The fourth proportional to 7,907,690.08, 11,847,990.84 and 4,315,975.12 is: 6,466,570.28
Step by Step Solution
- Step 1: Write the proportion equation
7,907,690.08 : 11,847,990.84 = 4,315,975.12 : x - Step 2: Convert to fraction form
7,907,690.08/11,847,990.84 = 4,315,975.12/x - Step 3: Cross multiply
7,907,690.08x = 11,847,990.84 × 4,315,975.12 - Step 4: Simplify right side
7,907,690.08x = 51,135,633,687,427.90 - Step 5: Solve for x
x = 51,135,633,687,427.90/7,907,690.08 - Step 6: Final answer
x = 6,466,570.28
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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.