Finding the Fourth Proportional to 28,758,307.50, 39,686,734.62 and 16,367,793.36
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Solution
The fourth proportional to 28,758,307.50, 39,686,734.62 and 16,367,793.36 is: 22,587,708.66
Step by Step Solution
- Step 1: Write the proportion equation
28,758,307.50 : 39,686,734.62 = 16,367,793.36 : x - Step 2: Convert to fraction form
28,758,307.50/39,686,734.62 = 16,367,793.36/x - Step 3: Cross multiply
28,758,307.50x = 39,686,734.62 × 16,367,793.36 - Step 4: Simplify right side
28,758,307.50x = 649,584,271,393,318 - Step 5: Solve for x
x = 649,584,271,393,318/28,758,307.50 - Step 6: Final answer
x = 22,587,708.66
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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.