Finding the Fourth Proportional to 10,777,323.80, 16,165,985.70 and 9,714,441.80
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Solution
The fourth proportional to 10,777,323.80, 16,165,985.70 and 9,714,441.80 is: 14,571,662.70
Step by Step Solution
- Step 1: Write the proportion equation
10,777,323.80 : 16,165,985.70 = 9,714,441.80 : x - Step 2: Convert to fraction form
10,777,323.80/16,165,985.70 = 9,714,441.80/x - Step 3: Cross multiply
10,777,323.80x = 16,165,985.70 × 9,714,441.80 - Step 4: Simplify right side
10,777,323.80x = 157,043,527,222,282.25 - Step 5: Solve for x
x = 157,043,527,222,282.25/10,777,323.80 - Step 6: Final answer
x = 14,571,662.70
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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.