Finding the Fourth Proportional to 13,269,327.68, 19,898,472.08 and 4,631,582.57
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Solution
The fourth proportional to 13,269,327.68, 19,898,472.08 and 4,631,582.57 is: 6,945,447.32
Step by Step Solution
- Step 1: Write the proportion equation
13,269,327.68 : 19,898,472.08 = 4,631,582.57 : x - Step 2: Convert to fraction form
13,269,327.68/19,898,472.08 = 4,631,582.57/x - Step 3: Cross multiply
13,269,327.68x = 19,898,472.08 × 4,631,582.57 - Step 4: Simplify right side
13,269,327.68x = 92,161,416,367,446.25 - Step 5: Solve for x
x = 92,161,416,367,446.25/13,269,327.68 - Step 6: Final answer
x = 6,945,447.32
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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.