Finding the Fourth Proportional to 7,986,739.98, 11,022,576.84 and 4,634,644.68
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Solution
The fourth proportional to 7,986,739.98, 11,022,576.84 and 4,634,644.68 is: 6,396,317.80
Step by Step Solution
- Step 1: Write the proportion equation
7,986,739.98 : 11,022,576.84 = 4,634,644.68 : x - Step 2: Convert to fraction form
7,986,739.98/11,022,576.84 = 4,634,644.68/x - Step 3: Cross multiply
7,986,739.98x = 11,022,576.84 × 4,634,644.68 - Step 4: Simplify right side
7,986,739.98x = 51,085,727,111,397.21 - Step 5: Solve for x
x = 51,085,727,111,397.21/7,986,739.98 - Step 6: Final answer
x = 6,396,317.80
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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.