Finding the Fourth Proportional to 36,437,609.20, 54,656,413.80 and 12,176,536.10
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Solution
The fourth proportional to 36,437,609.20, 54,656,413.80 and 12,176,536.10 is: 18,264,804.15
Step by Step Solution
- Step 1: Write the proportion equation
36,437,609.20 : 54,656,413.80 = 12,176,536.10 : x - Step 2: Convert to fraction form
36,437,609.20/54,656,413.80 = 12,176,536.10/x - Step 3: Cross multiply
36,437,609.20x = 54,656,413.80 × 12,176,536.10 - Step 4: Simplify right side
36,437,609.20x = 665,525,795,732,238.12 - Step 5: Solve for x
x = 665,525,795,732,238.12/36,437,609.20 - Step 6: Final answer
x = 18,264,804.15
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.