Finding the Fourth Proportional to 16,282,403.20, 24,427,147.20 and 4,922,555.20
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Solution
The fourth proportional to 16,282,403.20, 24,427,147.20 and 4,922,555.20 is: 7,384,903.75
Step by Step Solution
- Step 1: Write the proportion equation
16,282,403.20 : 24,427,147.20 = 4,922,555.20 : x - Step 2: Convert to fraction form
16,282,403.20/24,427,147.20 = 4,922,555.20/x - Step 3: Cross multiply
16,282,403.20x = 24,427,147.20 × 4,922,555.20 - Step 4: Simplify right side
16,282,403.20x = 120,243,980,470,525.44 - Step 5: Solve for x
x = 120,243,980,470,525.44/16,282,403.20 - Step 6: Final answer
x = 7,384,903.75
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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.