Finding the Fourth Proportional to 17,419,930.79, 26,128,207.75 and 5,289,500.87
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Solution
The fourth proportional to 17,419,930.79, 26,128,207.75 and 5,289,500.87 is: 7,933,738.62
Step by Step Solution
- Step 1: Write the proportion equation
17,419,930.79 : 26,128,207.75 = 5,289,500.87 : x - Step 2: Convert to fraction form
17,419,930.79/26,128,207.75 = 5,289,500.87/x - Step 3: Cross multiply
17,419,930.79x = 26,128,207.75 × 5,289,500.87 - Step 4: Simplify right side
17,419,930.79x = 138,205,177,598,718.25 - Step 5: Solve for x
x = 138,205,177,598,718.25/17,419,930.79 - Step 6: Final answer
x = 7,933,738.62
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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.