Finding the Fourth Proportional to 7,810,435.84, 11,720,442.37 and 3,496,133.97
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Solution
The fourth proportional to 7,810,435.84, 11,720,442.37 and 3,496,133.97 is: 5,246,344.45
Step by Step Solution
- Step 1: Write the proportion equation
7,810,435.84 : 11,720,442.37 = 3,496,133.97 : x - Step 2: Convert to fraction form
7,810,435.84/11,720,442.37 = 3,496,133.97/x - Step 3: Cross multiply
7,810,435.84x = 11,720,442.37 × 3,496,133.97 - Step 4: Simplify right side
7,810,435.84x = 40,976,236,713,184.30 - Step 5: Solve for x
x = 40,976,236,713,184.30/7,810,435.84 - Step 6: Final answer
x = 5,246,344.45
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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.