Finding the Fourth Proportional to 13,412,101.20, 20,104,373.70 and 6,578,163.60
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Solution
The fourth proportional to 13,412,101.20, 20,104,373.70 and 6,578,163.60 is: 9,860,487.73
Step by Step Solution
- Step 1: Write the proportion equation
13,412,101.20 : 20,104,373.70 = 6,578,163.60 : x - Step 2: Convert to fraction form
13,412,101.20/20,104,373.70 = 6,578,163.60/x - Step 3: Cross multiply
13,412,101.20x = 20,104,373.70 × 6,578,163.60 - Step 4: Simplify right side
13,412,101.20x = 132,249,859,274,137.31 - Step 5: Solve for x
x = 132,249,859,274,137.31/13,412,101.20 - Step 6: Final answer
x = 9,860,487.73
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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.