Finding the Fourth Proportional to 8,607,981.68, 11,876,334.72 and 4,886,193.68
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Solution
The fourth proportional to 8,607,981.68, 11,876,334.72 and 4,886,193.68 is: 6,741,426.02
Step by Step Solution
- Step 1: Write the proportion equation
8,607,981.68 : 11,876,334.72 = 4,886,193.68 : x - Step 2: Convert to fraction form
8,607,981.68/11,876,334.72 = 4,886,193.68/x - Step 3: Cross multiply
8,607,981.68x = 11,876,334.72 × 4,886,193.68 - Step 4: Simplify right side
8,607,981.68x = 58,030,071,650,428.57 - Step 5: Solve for x
x = 58,030,071,650,428.57/8,607,981.68 - Step 6: Final answer
x = 6,741,426.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.