Finding the Fourth Proportional to 8,990,169.12, 13,482,442.71 and 3,005,137.44
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Solution
The fourth proportional to 8,990,169.12, 13,482,442.71 and 3,005,137.44 is: 4,506,766.54
Step by Step Solution
- Step 1: Write the proportion equation
8,990,169.12 : 13,482,442.71 = 3,005,137.44 : x - Step 2: Convert to fraction form
8,990,169.12/13,482,442.71 = 3,005,137.44/x - Step 3: Cross multiply
8,990,169.12x = 13,482,442.71 × 3,005,137.44 - Step 4: Simplify right side
8,990,169.12x = 40,516,593,370,476.06 - Step 5: Solve for x
x = 40,516,593,370,476.06/8,990,169.12 - Step 6: Final answer
x = 4,506,766.54
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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.