Finding the Fourth Proportional to 21,986,284.97, 32,984,494.09 and 7,609,352.94
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Solution
The fourth proportional to 21,986,284.97, 32,984,494.09 and 7,609,352.94 is: 11,415,782.95
Step by Step Solution
- Step 1: Write the proportion equation
21,986,284.97 : 32,984,494.09 = 7,609,352.94 : x - Step 2: Convert to fraction form
21,986,284.97/32,984,494.09 = 7,609,352.94/x - Step 3: Cross multiply
21,986,284.97x = 32,984,494.09 × 7,609,352.94 - Step 4: Simplify right side
21,986,284.97x = 250,990,657,059,130.75 - Step 5: Solve for x
x = 250,990,657,059,130.75/21,986,284.97 - Step 6: Final answer
x = 11,415,782.95
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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.