Finding the Fourth Proportional to 55,222,471.12, 82,833,706.68 and 16,883,985.28
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Solution
The fourth proportional to 55,222,471.12, 82,833,706.68 and 16,883,985.28 is: 25,325,977.92
Step by Step Solution
- Step 1: Write the proportion equation
55,222,471.12 : 82,833,706.68 = 16,883,985.28 : x - Step 2: Convert to fraction form
55,222,471.12/82,833,706.68 = 16,883,985.28/x - Step 3: Cross multiply
55,222,471.12x = 82,833,706.68 × 16,883,985.28 - Step 4: Simplify right side
55,222,471.12x = 1,398,563,084,272,958 - Step 5: Solve for x
x = 1,398,563,084,272,958/55,222,471.12 - Step 6: Final answer
x = 25,325,977.92
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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.