Finding the Fourth Proportional to 32,307,621.20, 48,461,431.80 and 31,032,162.80
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Solution
The fourth proportional to 32,307,621.20, 48,461,431.80 and 31,032,162.80 is: 46,548,244.20
Step by Step Solution
- Step 1: Write the proportion equation
32,307,621.20 : 48,461,431.80 = 31,032,162.80 : x - Step 2: Convert to fraction form
32,307,621.20/48,461,431.80 = 31,032,162.80/x - Step 3: Cross multiply
32,307,621.20x = 48,461,431.80 × 31,032,162.80 - Step 4: Simplify right side
32,307,621.20x = 1,503,863,041,138,697 - Step 5: Solve for x
x = 1,503,863,041,138,697/32,307,621.20 - Step 6: Final answer
x = 46,548,244.20
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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.