Finding the Fourth Proportional to 13,235,810.41, 18,265,861.94 and 7,355,692.44
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Solution
The fourth proportional to 13,235,810.41, 18,265,861.94 and 7,355,692.44 is: 10,151,102.07
Step by Step Solution
- Step 1: Write the proportion equation
13,235,810.41 : 18,265,861.94 = 7,355,692.44 : x - Step 2: Convert to fraction form
13,235,810.41/18,265,861.94 = 7,355,692.44/x - Step 3: Cross multiply
13,235,810.41x = 18,265,861.94 × 7,355,692.44 - Step 4: Simplify right side
13,235,810.41x = 134,358,062,454,033.94 - Step 5: Solve for x
x = 134,358,062,454,033.94/13,235,810.41 - Step 6: Final answer
x = 10,151,102.07
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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.