Finding the Fourth Proportional to 7,062,786.17, 9,745,889.95 and 3,965,649.94
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Solution
The fourth proportional to 7,062,786.17, 9,745,889.95 and 3,965,649.94 is: 5,472,173.02
Step by Step Solution
- Step 1: Write the proportion equation
7,062,786.17 : 9,745,889.95 = 3,965,649.94 : x - Step 2: Convert to fraction form
7,062,786.17/9,745,889.95 = 3,965,649.94/x - Step 3: Cross multiply
7,062,786.17x = 9,745,889.95 × 3,965,649.94 - Step 4: Simplify right side
7,062,786.17x = 38,648,787,895,464.10 - Step 5: Solve for x
x = 38,648,787,895,464.10/7,062,786.17 - Step 6: Final answer
x = 5,472,173.02
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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.