Finding the Fourth Proportional to 16,171,207.20, 24,256,810.80 and 8,085,430.80
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Solution
The fourth proportional to 16,171,207.20, 24,256,810.80 and 8,085,430.80 is: 12,128,146.20
Step by Step Solution
- Step 1: Write the proportion equation
16,171,207.20 : 24,256,810.80 = 8,085,430.80 : x - Step 2: Convert to fraction form
16,171,207.20/24,256,810.80 = 8,085,430.80/x - Step 3: Cross multiply
16,171,207.20x = 24,256,810.80 × 8,085,430.80 - Step 4: Simplify right side
16,171,207.20x = 196,126,765,152,092.66 - Step 5: Solve for x
x = 196,126,765,152,092.66/16,171,207.20 - Step 6: Final answer
x = 12,128,146.20
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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.