Finding the Fourth Proportional to 17,419,933.36, 26,128,211.59 and 5,289,503.43
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Solution
The fourth proportional to 17,419,933.36, 26,128,211.59 and 5,289,503.43 is: 7,933,742.45
Step by Step Solution
- Step 1: Write the proportion equation
17,419,933.36 : 26,128,211.59 = 5,289,503.43 : x - Step 2: Convert to fraction form
17,419,933.36/26,128,211.59 = 5,289,503.43/x - Step 3: Cross multiply
17,419,933.36x = 26,128,211.59 × 5,289,503.43 - Step 4: Simplify right side
17,419,933.36x = 138,205,264,811,846.98 - Step 5: Solve for x
x = 138,205,264,811,846.98/17,419,933.36 - Step 6: Final answer
x = 7,933,742.45
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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.