Finding the Fourth Proportional to 13,570,106.84, 20,365,251.11 and 5,483,152.79
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Solution
The fourth proportional to 13,570,106.84, 20,365,251.11 and 5,483,152.79 is: 8,228,806.50
Step by Step Solution
- Step 1: Write the proportion equation
13,570,106.84 : 20,365,251.11 = 5,483,152.79 : x - Step 2: Convert to fraction form
13,570,106.84/20,365,251.11 = 5,483,152.79/x - Step 3: Cross multiply
13,570,106.84x = 20,365,251.11 × 5,483,152.79 - Step 4: Simplify right side
13,570,106.84x = 111,665,783,415,431.34 - Step 5: Solve for x
x = 111,665,783,415,431.34/13,570,106.84 - Step 6: Final answer
x = 8,228,806.50
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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.