Finding the Fourth Proportional to 10,458,324.96, 15,688,391.49 and 2,885,290.71
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Solution
The fourth proportional to 10,458,324.96, 15,688,391.49 and 2,885,290.71 is: 4,328,185.48
Step by Step Solution
- Step 1: Write the proportion equation
10,458,324.96 : 15,688,391.49 = 2,885,290.71 : x - Step 2: Convert to fraction form
10,458,324.96/15,688,391.49 = 2,885,290.71/x - Step 3: Cross multiply
10,458,324.96x = 15,688,391.49 × 2,885,290.71 - Step 4: Simplify right side
10,458,324.96x = 45,265,570,220,940.05 - Step 5: Solve for x
x = 45,265,570,220,940.05/10,458,324.96 - Step 6: Final answer
x = 4,328,185.48
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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.