Finding the Fourth Proportional to 32,195,206.80, 48,292,810.20 and 21,991,539.60
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Solution
The fourth proportional to 32,195,206.80, 48,292,810.20 and 21,991,539.60 is: 32,987,309.40
Step by Step Solution
- Step 1: Write the proportion equation
32,195,206.80 : 48,292,810.20 = 21,991,539.60 : x - Step 2: Convert to fraction form
32,195,206.80/48,292,810.20 = 21,991,539.60/x - Step 3: Cross multiply
32,195,206.80x = 48,292,810.20 × 21,991,539.60 - Step 4: Simplify right side
32,195,206.80x = 1,062,033,247,908,584 - Step 5: Solve for x
x = 1,062,033,247,908,584/32,195,206.80 - Step 6: Final answer
x = 32,987,309.40
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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.