Finding the Fourth Proportional to 48,414,791.90, 66,782,561.73 and 29,567,532.08
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Solution
The fourth proportional to 48,414,791.90, 66,782,561.73 and 29,567,532.08 is: 40,784,963.83
Step by Step Solution
- Step 1: Write the proportion equation
48,414,791.90 : 66,782,561.73 = 29,567,532.08 : x - Step 2: Convert to fraction form
48,414,791.90/66,782,561.73 = 29,567,532.08/x - Step 3: Cross multiply
48,414,791.90x = 66,782,561.73 × 29,567,532.08 - Step 4: Simplify right side
48,414,791.90x = 1,974,595,536,336,355 - Step 5: Solve for x
x = 1,974,595,536,336,355/48,414,791.90 - Step 6: Final answer
x = 40,784,963.83
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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.