Finding the Fourth Proportional to 14,889,707.20, 22,334,560.80 and 13,378,052.80
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Solution
The fourth proportional to 14,889,707.20, 22,334,560.80 and 13,378,052.80 is: 20,067,079.20
Step by Step Solution
- Step 1: Write the proportion equation
14,889,707.20 : 22,334,560.80 = 13,378,052.80 : x - Step 2: Convert to fraction form
14,889,707.20/22,334,560.80 = 13,378,052.80/x - Step 3: Cross multiply
14,889,707.20x = 22,334,560.80 × 13,378,052.80 - Step 4: Simplify right side
14,889,707.20x = 298,792,933,647,210.25 - Step 5: Solve for x
x = 298,792,933,647,210.25/14,889,707.20 - Step 6: Final answer
x = 20,067,079.20
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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.