Finding the Fourth Proportional to 8,492,628.30, 11,720,158.81 and 4,821,886.41
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Solution
The fourth proportional to 8,492,628.30, 11,720,158.81 and 4,821,886.41 is: 6,654,391.61
Step by Step Solution
- Step 1: Write the proportion equation
8,492,628.30 : 11,720,158.81 = 4,821,886.41 : x - Step 2: Convert to fraction form
8,492,628.30/11,720,158.81 = 4,821,886.41/x - Step 3: Cross multiply
8,492,628.30x = 11,720,158.81 × 4,821,886.41 - Step 4: Simplify right side
8,492,628.30x = 56,513,274,476,926.05 - Step 5: Solve for x
x = 56,513,274,476,926.05/8,492,628.30 - Step 6: Final answer
x = 6,654,391.61
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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.