Finding the Fourth Proportional to 39,751,640.18, 54,857,348.80 and 22,348,128.42
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Solution
The fourth proportional to 39,751,640.18, 54,857,348.80 and 22,348,128.42 is: 30,840,465.20
Step by Step Solution
- Step 1: Write the proportion equation
39,751,640.18 : 54,857,348.80 = 22,348,128.42 : x - Step 2: Convert to fraction form
39,751,640.18/54,857,348.80 = 22,348,128.42/x - Step 3: Cross multiply
39,751,640.18x = 54,857,348.80 × 22,348,128.42 - Step 4: Simplify right side
39,751,640.18x = 1,225,959,075,763,133 - Step 5: Solve for x
x = 1,225,959,075,763,133/39,751,640.18 - Step 6: Final answer
x = 30,840,465.20
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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.