Finding the Fourth Proportional to 32,738,539.19, 45,178,555.14 and 18,055,562.49
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Solution
The fourth proportional to 32,738,539.19, 45,178,555.14 and 18,055,562.49 is: 24,916,329.37
Step by Step Solution
- Step 1: Write the proportion equation
32,738,539.19 : 45,178,555.14 = 18,055,562.49 : x - Step 2: Convert to fraction form
32,738,539.19/45,178,555.14 = 18,055,562.49/x - Step 3: Cross multiply
32,738,539.19x = 45,178,555.14 × 18,055,562.49 - Step 4: Simplify right side
32,738,539.19x = 815,724,225,538,180.62 - Step 5: Solve for x
x = 815,724,225,538,180.62/32,738,539.19 - Step 6: Final answer
x = 24,916,329.37
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1.5x scale
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.