Finding the Fourth Proportional to 37,651,415.74, 51,956,770.83 and 21,129,997.60
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Solution
The fourth proportional to 37,651,415.74, 51,956,770.83 and 21,129,997.60 is: 29,158,171.65
Step by Step Solution
- Step 1: Write the proportion equation
37,651,415.74 : 51,956,770.83 = 21,129,997.60 : x - Step 2: Convert to fraction form
37,651,415.74/51,956,770.83 = 21,129,997.60/x - Step 3: Cross multiply
37,651,415.74x = 51,956,770.83 × 21,129,997.60 - Step 4: Simplify right side
37,651,415.74x = 1,097,846,442,941,650 - Step 5: Solve for x
x = 1,097,846,442,941,650/37,651,415.74 - Step 6: Final answer
x = 29,158,171.65
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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.