Finding the Fourth Proportional to 40,729,584.70, 61,165,235.85 and 21,597,708.70
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Solution
The fourth proportional to 40,729,584.70, 61,165,235.85 and 21,597,708.70 is: 32,434,137.40
Step by Step Solution
- Step 1: Write the proportion equation
40,729,584.70 : 61,165,235.85 = 21,597,708.70 : x - Step 2: Convert to fraction form
40,729,584.70/61,165,235.85 = 21,597,708.70/x - Step 3: Cross multiply
40,729,584.70x = 61,165,235.85 × 21,597,708.70 - Step 4: Simplify right side
40,729,584.70x = 1,321,028,946,455,097 - Step 5: Solve for x
x = 1,321,028,946,455,097/40,729,584.70 - Step 6: Final answer
x = 32,434,137.40
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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.