Finding the Fourth Proportional to 12,345,184.12, 18,529,728.10 and 5,959,916.84
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Solution
The fourth proportional to 12,345,184.12, 18,529,728.10 and 5,959,916.84 is: 8,945,645.32
Step by Step Solution
- Step 1: Write the proportion equation
12,345,184.12 : 18,529,728.10 = 5,959,916.84 : x - Step 2: Convert to fraction form
12,345,184.12/18,529,728.10 = 5,959,916.84/x - Step 3: Cross multiply
12,345,184.12x = 18,529,728.10 × 5,959,916.84 - Step 4: Simplify right side
12,345,184.12x = 110,435,638,543,811.20 - Step 5: Solve for x
x = 110,435,638,543,811.20/12,345,184.12 - Step 6: Final answer
x = 8,945,645.32
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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.