Finding the Fourth Proportional to 10,217,502.15, 15,308,910.32 and 6,165,475.94
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Solution
The fourth proportional to 10,217,502.15, 15,308,910.32 and 6,165,475.94 is: 9,237,748.79
Step by Step Solution
- Step 1: Write the proportion equation
10,217,502.15 : 15,308,910.32 = 6,165,475.94 : x - Step 2: Convert to fraction form
10,217,502.15/15,308,910.32 = 6,165,475.94/x - Step 3: Cross multiply
10,217,502.15x = 15,308,910.32 × 6,165,475.94 - Step 4: Simplify right side
10,217,502.15x = 94,386,718,138,205.77 - Step 5: Solve for x
x = 94,386,718,138,205.77/10,217,502.15 - Step 6: Final answer
x = 9,237,748.79
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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.