Finding the Fourth Proportional to 36,168,309.80, 54,252,464.70 and 10,611,902.60
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Solution
The fourth proportional to 36,168,309.80, 54,252,464.70 and 10,611,902.60 is: 15,917,853.90
Step by Step Solution
- Step 1: Write the proportion equation
36,168,309.80 : 54,252,464.70 = 10,611,902.60 : x - Step 2: Convert to fraction form
36,168,309.80/54,252,464.70 = 10,611,902.60/x - Step 3: Cross multiply
36,168,309.80x = 54,252,464.70 × 10,611,902.60 - Step 4: Simplify right side
36,168,309.80x = 575,721,871,206,338.25 - Step 5: Solve for x
x = 575,721,871,206,338.25/36,168,309.80 - Step 6: Final answer
x = 15,917,853.90
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Double scale
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Similar ratio
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1.5x scale
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.