Finding the Fourth Proportional to 22,486,783.68, 31,031,759.34 and 12,563,668.62
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Solution
The fourth proportional to 22,486,783.68, 31,031,759.34 and 12,563,668.62 is: 17,337,861.50
Step by Step Solution
- Step 1: Write the proportion equation
22,486,783.68 : 31,031,759.34 = 12,563,668.62 : x - Step 2: Convert to fraction form
22,486,783.68/31,031,759.34 = 12,563,668.62/x - Step 3: Cross multiply
22,486,783.68x = 31,031,759.34 × 12,563,668.62 - Step 4: Simplify right side
22,486,783.68x = 389,872,741,043,349.88 - Step 5: Solve for x
x = 389,872,741,043,349.88/22,486,783.68 - Step 6: Final answer
x = 17,337,861.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.