Finding the Fourth Proportional to 14,188,640.09, 19,580,322.99 and 7,662,269.01
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Solution
The fourth proportional to 14,188,640.09, 19,580,322.99 and 7,662,269.01 is: 10,573,931.05
Step by Step Solution
- Step 1: Write the proportion equation
14,188,640.09 : 19,580,322.99 = 7,662,269.01 : x - Step 2: Convert to fraction form
14,188,640.09/19,580,322.99 = 7,662,269.01/x - Step 3: Cross multiply
14,188,640.09x = 19,580,322.99 × 7,662,269.01 - Step 4: Simplify right side
14,188,640.09x = 150,029,702,096,760.22 - Step 5: Solve for x
x = 150,029,702,096,760.22/14,188,640.09 - Step 6: Final answer
x = 10,573,931.05
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.