Finding the Fourth Proportional to 7,182,036.16, 9,911,205.84 and 4,603,715.44
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Solution
The fourth proportional to 7,182,036.16, 9,911,205.84 and 4,603,715.44 is: 6,353,124.70
Step by Step Solution
- Step 1: Write the proportion equation
7,182,036.16 : 9,911,205.84 = 4,603,715.44 : x - Step 2: Convert to fraction form
7,182,036.16/9,911,205.84 = 4,603,715.44/x - Step 3: Cross multiply
7,182,036.16x = 9,911,205.84 × 4,603,715.44 - Step 4: Simplify right side
7,182,036.16x = 45,628,371,354,626.17 - Step 5: Solve for x
x = 45,628,371,354,626.17/7,182,036.16 - Step 6: Final answer
x = 6,353,124.70
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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.