Finding the Fourth Proportional to 13,168,151.20, 19,738,331.92 and 7,101,231.68
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Solution
The fourth proportional to 13,168,151.20, 19,738,331.92 and 7,101,231.68 is: 10,644,354.38
Step by Step Solution
- Step 1: Write the proportion equation
13,168,151.20 : 19,738,331.92 = 7,101,231.68 : x - Step 2: Convert to fraction form
13,168,151.20/19,738,331.92 = 7,101,231.68/x - Step 3: Cross multiply
13,168,151.20x = 19,738,331.92 × 7,101,231.68 - Step 4: Simplify right side
13,168,151.20x = 140,166,467,940,659.23 - Step 5: Solve for x
x = 140,166,467,940,659.23/13,168,151.20 - Step 6: Final answer
x = 10,644,354.38
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.