Finding the Fourth Proportional to 32,810,817.42, 45,282,775.41 and 19,764,662.58
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Solution
The fourth proportional to 32,810,817.42, 45,282,775.41 and 19,764,662.58 is: 27,277,551.95
Step by Step Solution
- Step 1: Write the proportion equation
32,810,817.42 : 45,282,775.41 = 19,764,662.58 : x - Step 2: Convert to fraction form
32,810,817.42/45,282,775.41 = 19,764,662.58/x - Step 3: Cross multiply
32,810,817.42x = 45,282,775.41 × 19,764,662.58 - Step 4: Simplify right side
32,810,817.42x = 894,998,776,664,571 - Step 5: Solve for x
x = 894,998,776,664,571/32,810,817.42 - Step 6: Final answer
x = 27,277,551.95
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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.