Finding the Fourth Proportional to 7,667,714.70, 11,491,803.45 and 4,075,202.70
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Solution
The fourth proportional to 7,667,714.70, 11,491,803.45 and 4,075,202.70 is: 6,107,612.28
Step by Step Solution
- Step 1: Write the proportion equation
7,667,714.70 : 11,491,803.45 = 4,075,202.70 : x - Step 2: Convert to fraction form
7,667,714.70/11,491,803.45 = 4,075,202.70/x - Step 3: Cross multiply
7,667,714.70x = 11,491,803.45 × 4,075,202.70 - Step 4: Simplify right side
7,667,714.70x = 46,831,428,447,309.31 - Step 5: Solve for x
x = 46,831,428,447,309.31/7,667,714.70 - Step 6: Final answer
x = 6,107,612.28
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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.