Finding the Fourth Proportional to 21,668,116.88, 32,512,813.90 and 8,713,743.75
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Solution
The fourth proportional to 21,668,116.88, 32,512,813.90 and 8,713,743.75 is: 13,074,893.88
Step by Step Solution
- Step 1: Write the proportion equation
21,668,116.88 : 32,512,813.90 = 8,713,743.75 : x - Step 2: Convert to fraction form
21,668,116.88/32,512,813.90 = 8,713,743.75/x - Step 3: Cross multiply
21,668,116.88x = 32,512,813.90 × 8,713,743.75 - Step 4: Simplify right side
21,668,116.88x = 283,308,328,894,253.75 - Step 5: Solve for x
x = 283,308,328,894,253.75/21,668,116.88 - Step 6: Final answer
x = 13,074,893.88
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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.