Finding the Fourth Proportional to 40,725,132.66, 56,201,791.68 and 22,141,523.21
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Solution
The fourth proportional to 40,725,132.66, 56,201,791.68 and 22,141,523.21 is: 30,555,904.75
Step by Step Solution
- Step 1: Write the proportion equation
40,725,132.66 : 56,201,791.68 = 22,141,523.21 : x - Step 2: Convert to fraction form
40,725,132.66/56,201,791.68 = 22,141,523.21/x - Step 3: Cross multiply
40,725,132.66x = 56,201,791.68 × 22,141,523.21 - Step 4: Simplify right side
40,725,132.66x = 1,244,393,274,645,295.75 - Step 5: Solve for x
x = 1,244,393,274,645,295.75/40,725,132.66 - Step 6: Final answer
x = 30,555,904.75
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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.