Finding the Fourth Proportional to 18,114,179.28, 24,997,729.92 and 9,854,421.84
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Solution
The fourth proportional to 18,114,179.28, 24,997,729.92 and 9,854,421.84 is: 13,599,190.55
Step by Step Solution
- Step 1: Write the proportion equation
18,114,179.28 : 24,997,729.92 = 9,854,421.84 : x - Step 2: Convert to fraction form
18,114,179.28/24,997,729.92 = 9,854,421.84/x - Step 3: Cross multiply
18,114,179.28x = 24,997,729.92 × 9,854,421.84 - Step 4: Simplify right side
18,114,179.28x = 246,338,175,674,069.47 - Step 5: Solve for x
x = 246,338,175,674,069.47/18,114,179.28 - Step 6: Final answer
x = 13,599,190.55
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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.