Finding the Fourth Proportional to 44,206,332.80, 66,318,467.20 and 13,907,148.80
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Solution
The fourth proportional to 44,206,332.80, 66,318,467.20 and 13,907,148.80 is: 20,863,544.50
Step by Step Solution
- Step 1: Write the proportion equation
44,206,332.80 : 66,318,467.20 = 13,907,148.80 : x - Step 2: Convert to fraction form
44,206,332.80/66,318,467.20 = 13,907,148.80/x - Step 3: Cross multiply
44,206,332.80x = 66,318,467.20 × 13,907,148.80 - Step 4: Simplify right side
44,206,332.80x = 922,300,791,538,319.50 - Step 5: Solve for x
x = 922,300,791,538,319.50/44,206,332.80 - Step 6: Final answer
x = 20,863,544.50
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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.