Finding the Fourth Proportional to 20,608,239.99, 30,915,924.72 and 6,961,485.73
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Solution
The fourth proportional to 20,608,239.99, 30,915,924.72 and 6,961,485.73 is: 10,443,432.77
Step by Step Solution
- Step 1: Write the proportion equation
20,608,239.99 : 30,915,924.72 = 6,961,485.73 : x - Step 2: Convert to fraction form
20,608,239.99/30,915,924.72 = 6,961,485.73/x - Step 3: Cross multiply
20,608,239.99x = 30,915,924.72 × 6,961,485.73 - Step 4: Simplify right side
20,608,239.99x = 215,220,768,768,034.25 - Step 5: Solve for x
x = 215,220,768,768,034.25/20,608,239.99 - Step 6: Final answer
x = 10,443,432.77
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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.