Finding the Fourth Proportional to 32,192,722.80, 48,272,495.40 and 11,987,564.40
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Solution
The fourth proportional to 32,192,722.80, 48,272,495.40 and 11,987,564.40 is: 17,975,169.45
Step by Step Solution
- Step 1: Write the proportion equation
32,192,722.80 : 48,272,495.40 = 11,987,564.40 : x - Step 2: Convert to fraction form
32,192,722.80/48,272,495.40 = 11,987,564.40/x - Step 3: Cross multiply
32,192,722.80x = 48,272,495.40 × 11,987,564.40 - Step 4: Simplify right side
32,192,722.80x = 578,669,647,356,203.75 - Step 5: Solve for x
x = 578,669,647,356,203.75/32,192,722.80 - Step 6: Final answer
x = 17,975,169.45
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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.