Finding the Fourth Proportional to 10,527,269.78, 14,519,632.97 and 9,059,619.24
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Solution
The fourth proportional to 10,527,269.78, 14,519,632.97 and 9,059,619.24 is: 12,495,390.45
Step by Step Solution
- Step 1: Write the proportion equation
10,527,269.78 : 14,519,632.97 = 9,059,619.24 : x - Step 2: Convert to fraction form
10,527,269.78/14,519,632.97 = 9,059,619.24/x - Step 3: Cross multiply
10,527,269.78x = 14,519,632.97 × 9,059,619.24 - Step 4: Simplify right side
10,527,269.78x = 131,542,346,167,452.25 - Step 5: Solve for x
x = 131,542,346,167,452.25/10,527,269.78 - Step 6: Final answer
x = 12,495,390.45
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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.