Finding the Fourth Proportional to 10,075,581.92, 15,115,618.20 and 3,685,692.80
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Solution
The fourth proportional to 10,075,581.92, 15,115,618.20 and 3,685,692.80 is: 5,529,360.55
Step by Step Solution
- Step 1: Write the proportion equation
10,075,581.92 : 15,115,618.20 = 3,685,692.80 : x - Step 2: Convert to fraction form
10,075,581.92/15,115,618.20 = 3,685,692.80/x - Step 3: Cross multiply
10,075,581.92x = 15,115,618.20 × 3,685,692.80 - Step 4: Simplify right side
10,075,581.92x = 55,711,525,167,288.95 - Step 5: Solve for x
x = 55,711,525,167,288.95/10,075,581.92 - Step 6: Final answer
x = 5,529,360.55
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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.