Finding the Fourth Proportional to 46,430,230.87, 69,645,643.11 and 13,640,665.62
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Solution
The fourth proportional to 46,430,230.87, 69,645,643.11 and 13,640,665.62 is: 20,461,085.63
Step by Step Solution
- Step 1: Write the proportion equation
46,430,230.87 : 69,645,643.11 = 13,640,665.62 : x - Step 2: Convert to fraction form
46,430,230.87/69,645,643.11 = 13,640,665.62/x - Step 3: Cross multiply
46,430,230.87x = 69,645,643.11 × 13,640,665.62 - Step 4: Simplify right side
46,430,230.87x = 950,012,929,814,538 - Step 5: Solve for x
x = 950,012,929,814,538/46,430,230.87 - Step 6: Final answer
x = 20,461,085.63
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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.