Finding the Fourth Proportional to 18,465,201.02, 27,697,823.20 and 4,818,337.42
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Solution
The fourth proportional to 18,465,201.02, 27,697,823.20 and 4,818,337.42 is: 7,227,511.78
Step by Step Solution
- Step 1: Write the proportion equation
18,465,201.02 : 27,697,823.20 = 4,818,337.42 : x - Step 2: Convert to fraction form
18,465,201.02/27,697,823.20 = 4,818,337.42/x - Step 3: Cross multiply
18,465,201.02x = 27,697,823.20 × 4,818,337.42 - Step 4: Simplify right side
18,465,201.02x = 133,457,457,977,104.14 - Step 5: Solve for x
x = 133,457,457,977,104.14/18,465,201.02 - Step 6: Final answer
x = 7,227,511.78
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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.