Finding the Fourth Proportional to 7,062,966.84, 9,747,959.24 and 4,311,249.42
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Solution
The fourth proportional to 7,062,966.84, 9,747,959.24 and 4,311,249.42 is: 5,950,174.28
Step by Step Solution
- Step 1: Write the proportion equation
7,062,966.84 : 9,747,959.24 = 4,311,249.42 : x - Step 2: Convert to fraction form
7,062,966.84/9,747,959.24 = 4,311,249.42/x - Step 3: Cross multiply
7,062,966.84x = 9,747,959.24 × 4,311,249.42 - Step 4: Simplify right side
7,062,966.84x = 42,025,883,619,633.64 - Step 5: Solve for x
x = 42,025,883,619,633.64/7,062,966.84 - Step 6: Final answer
x = 5,950,174.28
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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.