Finding the Fourth Proportional to 14,651,559.75, 20,219,152.64 and 8,213,031.75
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Solution
The fourth proportional to 14,651,559.75, 20,219,152.64 and 8,213,031.75 is: 11,333,983.92
Step by Step Solution
- Step 1: Write the proportion equation
14,651,559.75 : 20,219,152.64 = 8,213,031.75 : x - Step 2: Convert to fraction form
14,651,559.75/20,219,152.64 = 8,213,031.75/x - Step 3: Cross multiply
14,651,559.75x = 20,219,152.64 × 8,213,031.75 - Step 4: Simplify right side
14,651,559.75x = 166,060,542,549,351.19 - Step 5: Solve for x
x = 166,060,542,549,351.19/14,651,559.75 - Step 6: Final answer
x = 11,333,983.92
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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.