Finding the Fourth Proportional to 42,438,812.46, 63,612,896.35 and 24,203,743.14
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Solution
The fourth proportional to 42,438,812.46, 63,612,896.35 and 24,203,743.14 is: 36,279,766.43
Step by Step Solution
- Step 1: Write the proportion equation
42,438,812.46 : 63,612,896.35 = 24,203,743.14 : x - Step 2: Convert to fraction form
42,438,812.46/63,612,896.35 = 24,203,743.14/x - Step 3: Cross multiply
42,438,812.46x = 63,612,896.35 × 24,203,743.14 - Step 4: Simplify right side
42,438,812.46x = 1,539,670,203,646,843.50 - Step 5: Solve for x
x = 1,539,670,203,646,843.50/42,438,812.46 - Step 6: Final answer
x = 36,279,766.43
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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.