Finding the Fourth Proportional to 37,724,611.12, 52,059,963.84 and 20,555,203.12
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Solution
The fourth proportional to 37,724,611.12, 52,059,963.84 and 20,555,203.12 is: 28,366,180.57
Step by Step Solution
- Step 1: Write the proportion equation
37,724,611.12 : 52,059,963.84 = 20,555,203.12 : x - Step 2: Convert to fraction form
37,724,611.12/52,059,963.84 = 20,555,203.12/x - Step 3: Cross multiply
37,724,611.12x = 52,059,963.84 × 20,555,203.12 - Step 4: Simplify right side
37,724,611.12x = 1,070,103,131,151,055.25 - Step 5: Solve for x
x = 1,070,103,131,151,055.25/37,724,611.12 - Step 6: Final answer
x = 28,366,180.57
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1.5x scale
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.