Finding the Fourth Proportional to 10,256,580.18, 15,390,119.16 and 4,195,790.82
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Solution
The fourth proportional to 10,256,580.18, 15,390,119.16 and 4,195,790.82 is: 6,295,833.46
Step by Step Solution
- Step 1: Write the proportion equation
10,256,580.18 : 15,390,119.16 = 4,195,790.82 : x - Step 2: Convert to fraction form
10,256,580.18/15,390,119.16 = 4,195,790.82/x - Step 3: Cross multiply
10,256,580.18x = 15,390,119.16 × 4,195,790.82 - Step 4: Simplify right side
10,256,580.18x = 64,573,720,690,234.12 - Step 5: Solve for x
x = 64,573,720,690,234.12/10,256,580.18 - Step 6: Final answer
x = 6,295,833.46
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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.