Finding the Fourth Proportional to 51,135,794.58, 76,703,692.82 and 12,274,246.56
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Solution
The fourth proportional to 51,135,794.58, 76,703,692.82 and 12,274,246.56 is: 18,411,370.07
Step by Step Solution
- Step 1: Write the proportion equation
51,135,794.58 : 76,703,692.82 = 12,274,246.56 : x - Step 2: Convert to fraction form
51,135,794.58/76,703,692.82 = 12,274,246.56/x - Step 3: Cross multiply
51,135,794.58x = 76,703,692.82 × 12,274,246.56 - Step 4: Simplify right side
51,135,794.58x = 941,480,037,599,033.75 - Step 5: Solve for x
x = 941,480,037,599,033.75/51,135,794.58 - Step 6: Final answer
x = 18,411,370.07
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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.