Finding the Fourth Proportional to 27,083,207.96, 40,631,429.06 and 8,639,156.15
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Solution
The fourth proportional to 27,083,207.96, 40,631,429.06 and 8,639,156.15 is: 12,960,844.99
Step by Step Solution
- Step 1: Write the proportion equation
27,083,207.96 : 40,631,429.06 = 8,639,156.15 : x - Step 2: Convert to fraction form
27,083,207.96/40,631,429.06 = 8,639,156.15/x - Step 3: Cross multiply
27,083,207.96x = 40,631,429.06 × 8,639,156.15 - Step 4: Simplify right side
27,083,207.96x = 351,021,260,185,399.50 - Step 5: Solve for x
x = 351,021,260,185,399.50/27,083,207.96 - Step 6: Final answer
x = 12,960,844.99
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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.