Finding the Fourth Proportional to 24,717,811.80, 37,076,717.70 and 20,985,331.80
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Solution
The fourth proportional to 24,717,811.80, 37,076,717.70 and 20,985,331.80 is: 31,477,997.70
Step by Step Solution
- Step 1: Write the proportion equation
24,717,811.80 : 37,076,717.70 = 20,985,331.80 : x - Step 2: Convert to fraction form
24,717,811.80/37,076,717.70 = 20,985,331.80/x - Step 3: Cross multiply
24,717,811.80x = 37,076,717.70 × 20,985,331.80 - Step 4: Simplify right side
24,717,811.80x = 778,067,222,989,433 - Step 5: Solve for x
x = 778,067,222,989,433/24,717,811.80 - Step 6: Final answer
x = 31,477,997.70
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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.