Finding the Fourth Proportional to 18,069,267.30, 27,103,900.20 and 5,289,771.97
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Solution
The fourth proportional to 18,069,267.30, 27,103,900.20 and 5,289,771.97 is: 7,934,657.74
Step by Step Solution
- Step 1: Write the proportion equation
18,069,267.30 : 27,103,900.20 = 5,289,771.97 : x - Step 2: Convert to fraction form
18,069,267.30/27,103,900.20 = 5,289,771.97/x - Step 3: Cross multiply
18,069,267.30x = 27,103,900.20 × 5,289,771.97 - Step 4: Simplify right side
18,069,267.30x = 143,373,451,555,637.38 - Step 5: Solve for x
x = 143,373,451,555,637.38/18,069,267.30 - Step 6: Final answer
x = 7,934,657.74
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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.