Finding the Fourth Proportional to 18,817,408, 28,227,620.84 and 7,151,368.28
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Solution
The fourth proportional to 18,817,408, 28,227,620.84 and 7,151,368.28 is: 10,727,625.84
Step by Step Solution
- Step 1: Write the proportion equation
18,817,408 : 28,227,620.84 = 7,151,368.28 : x - Step 2: Convert to fraction form
18,817,408/28,227,620.84 = 7,151,368.28/x - Step 3: Cross multiply
18,817,408x = 28,227,620.84 × 7,151,368.28 - Step 4: Simplify right side
18,817,408x = 201,866,112,295,042.97 - Step 5: Solve for x
x = 201,866,112,295,042.97/18,817,408 - Step 6: Final answer
x = 10,727,625.84
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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.