Finding the Fourth Proportional to 18,417,471.70, 27,621,495.08 and 5,460,592.54
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Solution
The fourth proportional to 18,417,471.70, 27,621,495.08 and 5,460,592.54 is: 8,189,491.61
Step by Step Solution
- Step 1: Write the proportion equation
18,417,471.70 : 27,621,495.08 = 5,460,592.54 : x - Step 2: Convert to fraction form
18,417,471.70/27,621,495.08 = 5,460,592.54/x - Step 3: Cross multiply
18,417,471.70x = 27,621,495.08 × 5,460,592.54 - Step 4: Simplify right side
18,417,471.70x = 150,829,729,977,494.69 - Step 5: Solve for x
x = 150,829,729,977,494.69/18,417,471.70 - Step 6: Final answer
x = 8,189,491.61
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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.