Finding the Fourth Proportional to 21,582,536.13, 32,315,791.86 and 16,440,470.73
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Solution
The fourth proportional to 21,582,536.13, 32,315,791.86 and 16,440,470.73 is: 24,616,515.27
Step by Step Solution
- Step 1: Write the proportion equation
21,582,536.13 : 32,315,791.86 = 16,440,470.73 : x - Step 2: Convert to fraction form
21,582,536.13/32,315,791.86 = 16,440,470.73/x - Step 3: Cross multiply
21,582,536.13x = 32,315,791.86 × 16,440,470.73 - Step 4: Simplify right side
21,582,536.13x = 531,286,830,191,102.25 - Step 5: Solve for x
x = 531,286,830,191,102.25/21,582,536.13 - Step 6: Final answer
x = 24,616,515.27
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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.