Finding the Fourth Proportional to 16,402,604.80, 24,603,907.20 and 5,616,320.80
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Solution
The fourth proportional to 16,402,604.80, 24,603,907.20 and 5,616,320.80 is: 8,424,481.20
Step by Step Solution
- Step 1: Write the proportion equation
16,402,604.80 : 24,603,907.20 = 5,616,320.80 : x - Step 2: Convert to fraction form
16,402,604.80/24,603,907.20 = 5,616,320.80/x - Step 3: Cross multiply
16,402,604.80x = 24,603,907.20 × 5,616,320.80 - Step 4: Simplify right side
16,402,604.80x = 138,183,435,768,629.75 - Step 5: Solve for x
x = 138,183,435,768,629.75/16,402,604.80 - Step 6: Final answer
x = 8,424,481.20
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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.