Finding the Fourth Proportional to 32,663,859.36, 48,962,852.80 and 20,541,985.80
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Solution
The fourth proportional to 32,663,859.36, 48,962,852.80 and 20,541,985.80 is: 30,792,265.42
Step by Step Solution
- Step 1: Write the proportion equation
32,663,859.36 : 48,962,852.80 = 20,541,985.80 : x - Step 2: Convert to fraction form
32,663,859.36/48,962,852.80 = 20,541,985.80/x - Step 3: Cross multiply
32,663,859.36x = 48,962,852.80 × 20,541,985.80 - Step 4: Simplify right side
32,663,859.36x = 1,005,794,226,945,090.25 - Step 5: Solve for x
x = 1,005,794,226,945,090.25/32,663,859.36 - Step 6: Final answer
x = 30,792,265.42
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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.