Finding the Fourth Proportional to 21,986,285.97, 32,984,495.59 and 7,609,353.94
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Solution
The fourth proportional to 21,986,285.97, 32,984,495.59 and 7,609,353.94 is: 11,415,784.45
Step by Step Solution
- Step 1: Write the proportion equation
21,986,285.97 : 32,984,495.59 = 7,609,353.94 : x - Step 2: Convert to fraction form
21,986,285.97/32,984,495.59 = 7,609,353.94/x - Step 3: Cross multiply
21,986,285.97x = 32,984,495.59 × 7,609,353.94 - Step 4: Simplify right side
21,986,285.97x = 250,990,701,476,679.12 - Step 5: Solve for x
x = 250,990,701,476,679.12/21,986,285.97 - Step 6: Final answer
x = 11,415,784.45
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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.