Finding the Fourth Proportional to 24,702,721.57, 34,089,339.57 and 13,689,448.84
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Solution
The fourth proportional to 24,702,721.57, 34,089,339.57 and 13,689,448.84 is: 18,891,208.75
Step by Step Solution
- Step 1: Write the proportion equation
24,702,721.57 : 34,089,339.57 = 13,689,448.84 : x - Step 2: Convert to fraction form
24,702,721.57/34,089,339.57 = 13,689,448.84/x - Step 3: Cross multiply
24,702,721.57x = 34,089,339.57 × 13,689,448.84 - Step 4: Simplify right side
24,702,721.57x = 466,664,269,794,008.62 - Step 5: Solve for x
x = 466,664,269,794,008.62/24,702,721.57 - Step 6: Final answer
x = 18,891,208.75
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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.