Finding the Fourth Proportional to 46,287,316.08, 69,435,639.72 and 12,211,017.84
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Solution
The fourth proportional to 46,287,316.08, 69,435,639.72 and 12,211,017.84 is: 18,317,757.59
Step by Step Solution
- Step 1: Write the proportion equation
46,287,316.08 : 69,435,639.72 = 12,211,017.84 : x - Step 2: Convert to fraction form
46,287,316.08/69,435,639.72 = 12,211,017.84/x - Step 3: Cross multiply
46,287,316.08x = 69,435,639.72 × 12,211,017.84 - Step 4: Simplify right side
46,287,316.08x = 847,879,835,352,732.62 - Step 5: Solve for x
x = 847,879,835,352,732.62/46,287,316.08 - Step 6: Final answer
x = 18,317,757.59
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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.