Finding the Fourth Proportional to 40,151,960.28, 55,409,512.29 and 22,748,268.08
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Solution
The fourth proportional to 40,151,960.28, 55,409,512.29 and 22,748,268.08 is: 31,392,500.66
Step by Step Solution
- Step 1: Write the proportion equation
40,151,960.28 : 55,409,512.29 = 22,748,268.08 : x - Step 2: Convert to fraction form
40,151,960.28/55,409,512.29 = 22,748,268.08/x - Step 3: Cross multiply
40,151,960.28x = 55,409,512.29 × 22,748,268.08 - Step 4: Simplify right side
40,151,960.28x = 1,260,470,439,364,185.75 - Step 5: Solve for x
x = 1,260,470,439,364,185.75/40,151,960.28 - Step 6: Final answer
x = 31,392,500.66
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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.