Finding the Fourth Proportional to 32,256,741.20, 48,385,111.80 and 26,658,021.20
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Solution
The fourth proportional to 32,256,741.20, 48,385,111.80 and 26,658,021.20 is: 39,987,031.80
Step by Step Solution
- Step 1: Write the proportion equation
32,256,741.20 : 48,385,111.80 = 26,658,021.20 : x - Step 2: Convert to fraction form
32,256,741.20/48,385,111.80 = 26,658,021.20/x - Step 3: Cross multiply
32,256,741.20x = 48,385,111.80 × 26,658,021.20 - Step 4: Simplify right side
32,256,741.20x = 1,289,851,336,128,770 - Step 5: Solve for x
x = 1,289,851,336,128,770/32,256,741.20 - Step 6: Final answer
x = 39,987,031.80
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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.