Finding the Fourth Proportional to 47,959,129.14, 71,907,763.95 and 18,815,913.49
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Solution
The fourth proportional to 47,959,129.14, 71,907,763.95 and 18,815,913.49 is: 28,211,735.49
Step by Step Solution
- Step 1: Write the proportion equation
47,959,129.14 : 71,907,763.95 = 18,815,913.49 : x - Step 2: Convert to fraction form
47,959,129.14/71,907,763.95 = 18,815,913.49/x - Step 3: Cross multiply
47,959,129.14x = 71,907,763.95 × 18,815,913.49 - Step 4: Simplify right side
47,959,129.14x = 1,353,010,265,687,836.75 - Step 5: Solve for x
x = 1,353,010,265,687,836.75/47,959,129.14 - Step 6: Final answer
x = 28,211,735.49
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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.