Finding the Fourth Proportional to 17,419,930.91, 26,128,207.94 and 5,289,500.99
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Solution
The fourth proportional to 17,419,930.91, 26,128,207.94 and 5,289,500.99 is: 7,933,738.80
Step by Step Solution
- Step 1: Write the proportion equation
17,419,930.91 : 26,128,207.94 = 5,289,500.99 : x - Step 2: Convert to fraction form
17,419,930.91/26,128,207.94 = 5,289,500.99/x - Step 3: Cross multiply
17,419,930.91x = 26,128,207.94 × 5,289,500.99 - Step 4: Simplify right side
17,419,930.91x = 138,205,181,804,428.86 - Step 5: Solve for x
x = 138,205,181,804,428.86/17,419,930.91 - Step 6: Final answer
x = 7,933,738.80
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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.