Finding the Fourth Proportional to 29,330,957.84, 40,481,586.60 and 17,107,814.48
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Solution
The fourth proportional to 29,330,957.84, 40,481,586.60 and 17,107,814.48 is: 23,611,621.45
Step by Step Solution
- Step 1: Write the proportion equation
29,330,957.84 : 40,481,586.60 = 17,107,814.48 : x - Step 2: Convert to fraction form
29,330,957.84/40,481,586.60 = 17,107,814.48/x - Step 3: Cross multiply
29,330,957.84x = 40,481,586.60 × 17,107,814.48 - Step 4: Simplify right side
29,330,957.84x = 692,551,473,408,854 - Step 5: Solve for x
x = 692,551,473,408,854/29,330,957.84 - Step 6: Final answer
x = 23,611,621.45
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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.