Finding the Fourth Proportional to 14,273,444.68, 19,697,375.28 and 7,747,076.56
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Solution
The fourth proportional to 14,273,444.68, 19,697,375.28 and 7,747,076.56 is: 10,690,977.39
Step by Step Solution
- Step 1: Write the proportion equation
14,273,444.68 : 19,697,375.28 = 7,747,076.56 : x - Step 2: Convert to fraction form
14,273,444.68/19,697,375.28 = 7,747,076.56/x - Step 3: Cross multiply
14,273,444.68x = 19,697,375.28 × 7,747,076.56 - Step 4: Simplify right side
14,273,444.68x = 152,597,074,325,211.44 - Step 5: Solve for x
x = 152,597,074,325,211.44/14,273,444.68 - Step 6: Final answer
x = 10,690,977.39
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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.