Finding the Fourth Proportional to 16,170,422.60, 24,255,633.90 and 10,430,859.80
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Solution
The fourth proportional to 16,170,422.60, 24,255,633.90 and 10,430,859.80 is: 15,646,289.70
Step by Step Solution
- Step 1: Write the proportion equation
16,170,422.60 : 24,255,633.90 = 10,430,859.80 : x - Step 2: Convert to fraction form
16,170,422.60/24,255,633.90 = 10,430,859.80/x - Step 3: Cross multiply
16,170,422.60x = 24,255,633.90 × 10,430,859.80 - Step 4: Simplify right side
16,170,422.60x = 253,007,116,571,027.22 - Step 5: Solve for x
x = 253,007,116,571,027.22/16,170,422.60 - Step 6: Final answer
x = 15,646,289.70
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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.