Finding the Fourth Proportional to 10,143,264.22, 15,217,387.62 and 2,954,861.17
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Solution
The fourth proportional to 10,143,264.22, 15,217,387.62 and 2,954,861.17 is: 4,433,017.50
Step by Step Solution
- Step 1: Write the proportion equation
10,143,264.22 : 15,217,387.62 = 2,954,861.17 : x - Step 2: Convert to fraction form
10,143,264.22/15,217,387.62 = 2,954,861.17/x - Step 3: Cross multiply
10,143,264.22x = 15,217,387.62 × 2,954,861.17 - Step 4: Simplify right side
10,143,264.22x = 44,965,267,787,176.71 - Step 5: Solve for x
x = 44,965,267,787,176.71/10,143,264.22 - Step 6: Final answer
x = 4,433,017.50
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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.