Finding the Fourth Proportional to 43,426,251.68, 65,125,571.76 and 14,273,366.72
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Solution
The fourth proportional to 43,426,251.68, 65,125,571.76 and 14,273,366.72 is: 21,405,512.39
Step by Step Solution
- Step 1: Write the proportion equation
43,426,251.68 : 65,125,571.76 = 14,273,366.72 : x - Step 2: Convert to fraction form
43,426,251.68/65,125,571.76 = 14,273,366.72/x - Step 3: Cross multiply
43,426,251.68x = 65,125,571.76 × 14,273,366.72 - Step 4: Simplify right side
43,426,251.68x = 929,561,168,580,155.88 - Step 5: Solve for x
x = 929,561,168,580,155.88/43,426,251.68 - Step 6: Final answer
x = 21,405,512.39
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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.