Finding the Fourth Proportional to 18,539,209.20, 27,803,499.39 and 5,586,614.22
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Solution
The fourth proportional to 18,539,209.20, 27,803,499.39 and 5,586,614.22 is: 8,378,319.88
Step by Step Solution
- Step 1: Write the proportion equation
18,539,209.20 : 27,803,499.39 = 5,586,614.22 : x - Step 2: Convert to fraction form
18,539,209.20/27,803,499.39 = 5,586,614.22/x - Step 3: Cross multiply
18,539,209.20x = 27,803,499.39 × 5,586,614.22 - Step 4: Simplify right side
18,539,209.20x = 155,327,425,057,935.31 - Step 5: Solve for x
x = 155,327,425,057,935.31/18,539,209.20 - Step 6: Final answer
x = 8,378,319.88
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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.