Finding the Fourth Proportional to 26,572,057.80, 39,858,086.70 and 8,621,161.80
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Solution
The fourth proportional to 26,572,057.80, 39,858,086.70 and 8,621,161.80 is: 12,931,742.70
Step by Step Solution
- Step 1: Write the proportion equation
26,572,057.80 : 39,858,086.70 = 8,621,161.80 : x - Step 2: Convert to fraction form
26,572,057.80/39,858,086.70 = 8,621,161.80/x - Step 3: Cross multiply
26,572,057.80x = 39,858,086.70 × 8,621,161.80 - Step 4: Simplify right side
26,572,057.80x = 343,623,014,479,128.12 - Step 5: Solve for x
x = 343,623,014,479,128.12/26,572,057.80 - Step 6: Final answer
x = 12,931,742.70
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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.