Finding the Fourth Proportional to 39,403,309.80, 59,104,964.70 and 22,397,197.80
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Solution
The fourth proportional to 39,403,309.80, 59,104,964.70 and 22,397,197.80 is: 33,595,796.70
Step by Step Solution
- Step 1: Write the proportion equation
39,403,309.80 : 59,104,964.70 = 22,397,197.80 : x - Step 2: Convert to fraction form
39,403,309.80/59,104,964.70 = 22,397,197.80/x - Step 3: Cross multiply
39,403,309.80x = 59,104,964.70 × 22,397,197.80 - Step 4: Simplify right side
39,403,309.80x = 1,323,785,585,347,917.75 - Step 5: Solve for x
x = 1,323,785,585,347,917.75/39,403,309.80 - Step 6: Final answer
x = 33,595,796.70
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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.