Finding the Fourth Proportional to 8,547,830.09, 12,821,757 and 2,482,579.25
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Solution
The fourth proportional to 8,547,830.09, 12,821,757 and 2,482,579.25 is: 3,723,872.32
Step by Step Solution
- Step 1: Write the proportion equation
8,547,830.09 : 12,821,757 = 2,482,579.25 : x - Step 2: Convert to fraction form
8,547,830.09/12,821,757 = 2,482,579.25/x - Step 3: Cross multiply
8,547,830.09x = 12,821,757 × 2,482,579.25 - Step 4: Simplify right side
8,547,830.09x = 31,831,027,876,742.25 - Step 5: Solve for x
x = 31,831,027,876,742.25/8,547,830.09 - Step 6: Final answer
x = 3,723,872.32
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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.