Finding the Fourth Proportional to 8,547,823.09, 12,821,746.49 and 2,482,572.25
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Solution
The fourth proportional to 8,547,823.09, 12,821,746.49 and 2,482,572.25 is: 3,723,861.82
Step by Step Solution
- Step 1: Write the proportion equation
8,547,823.09 : 12,821,746.49 = 2,482,572.25 : x - Step 2: Convert to fraction form
8,547,823.09/12,821,746.49 = 2,482,572.25/x - Step 3: Cross multiply
8,547,823.09x = 12,821,746.49 × 2,482,572.25 - Step 4: Simplify right side
8,547,823.09x = 31,830,912,032,608.90 - Step 5: Solve for x
x = 31,830,912,032,608.90/8,547,823.09 - Step 6: Final answer
x = 3,723,861.82
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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.