Finding the Fourth Proportional to 30,471,166.19, 45,709,406.49 and 8,611,775.19
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Solution
The fourth proportional to 30,471,166.19, 45,709,406.49 and 8,611,775.19 is: 12,918,413.76
Step by Step Solution
- Step 1: Write the proportion equation
30,471,166.19 : 45,709,406.49 = 8,611,775.19 : x - Step 2: Convert to fraction form
30,471,166.19/45,709,406.49 = 8,611,775.19/x - Step 3: Cross multiply
30,471,166.19x = 45,709,406.49 × 8,611,775.19 - Step 4: Simplify right side
30,471,166.19x = 393,639,132,591,255 - Step 5: Solve for x
x = 393,639,132,591,255/30,471,166.19 - Step 6: Final answer
x = 12,918,413.76
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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.