Finding the Fourth Proportional to 13,100,962.08, 18,079,399.44 and 7,597,599.90
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Solution
The fourth proportional to 13,100,962.08, 18,079,399.44 and 7,597,599.90 is: 10,484,729.48
Step by Step Solution
- Step 1: Write the proportion equation
13,100,962.08 : 18,079,399.44 = 7,597,599.90 : x - Step 2: Convert to fraction form
13,100,962.08/18,079,399.44 = 7,597,599.90/x - Step 3: Cross multiply
13,100,962.08x = 18,079,399.44 × 7,597,599.90 - Step 4: Simplify right side
13,100,962.08x = 137,360,043,377,404.08 - Step 5: Solve for x
x = 137,360,043,377,404.08/13,100,962.08 - Step 6: Final answer
x = 10,484,729.48
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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.