Finding the Fourth Proportional to 12,208,220.80, 18,321,188.24 and 9,840,651.14
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Solution
The fourth proportional to 12,208,220.80, 18,321,188.24 and 9,840,651.14 is: 14,768,116.09
Step by Step Solution
- Step 1: Write the proportion equation
12,208,220.80 : 18,321,188.24 = 9,840,651.14 : x - Step 2: Convert to fraction form
12,208,220.80/18,321,188.24 = 9,840,651.14/x - Step 3: Cross multiply
12,208,220.80x = 18,321,188.24 × 9,840,651.14 - Step 4: Simplify right side
12,208,220.80x = 180,292,422,010,515.19 - Step 5: Solve for x
x = 180,292,422,010,515.19/12,208,220.80 - Step 6: Final answer
x = 14,768,116.09
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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.