Finding the Fourth Proportional to 8,255,547.20, 12,372,823.20 and 3,986,523.20
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Solution
The fourth proportional to 8,255,547.20, 12,372,823.20 and 3,986,523.20 is: 5,974,715.61
Step by Step Solution
- Step 1: Write the proportion equation
8,255,547.20 : 12,372,823.20 = 3,986,523.20 : x - Step 2: Convert to fraction form
8,255,547.20/12,372,823.20 = 3,986,523.20/x - Step 3: Cross multiply
8,255,547.20x = 12,372,823.20 × 3,986,523.20 - Step 4: Simplify right side
8,255,547.20x = 49,324,546,736,298.24 - Step 5: Solve for x
x = 49,324,546,736,298.24/8,255,547.20 - Step 6: Final answer
x = 5,974,715.61
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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.