Finding the Fourth Proportional to 22,555,490.88, 31,126,241.88 and 12,767,791.08
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Solution
The fourth proportional to 22,555,490.88, 31,126,241.88 and 12,767,791.08 is: 17,619,361.76
Step by Step Solution
- Step 1: Write the proportion equation
22,555,490.88 : 31,126,241.88 = 12,767,791.08 : x - Step 2: Convert to fraction form
22,555,490.88/31,126,241.88 = 12,767,791.08/x - Step 3: Cross multiply
22,555,490.88x = 31,126,241.88 × 12,767,791.08 - Step 4: Simplify right side
22,555,490.88x = 397,413,353,429,386.44 - Step 5: Solve for x
x = 397,413,353,429,386.44/22,555,490.88 - Step 6: Final answer
x = 17,619,361.76
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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.