Finding the Fourth Proportional to 11,328,370.20, 15,633,104.10 and 6,171,715.80
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Solution
The fourth proportional to 11,328,370.20, 15,633,104.10 and 6,171,715.80 is: 8,516,942.32
Step by Step Solution
- Step 1: Write the proportion equation
11,328,370.20 : 15,633,104.10 = 6,171,715.80 : x - Step 2: Convert to fraction form
11,328,370.20/15,633,104.10 = 6,171,715.80/x - Step 3: Cross multiply
11,328,370.20x = 15,633,104.10 × 6,171,715.80 - Step 4: Simplify right side
11,328,370.20x = 96,483,075,577,014.78 - Step 5: Solve for x
x = 96,483,075,577,014.78/11,328,370.20 - Step 6: Final answer
x = 8,516,942.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.