Finding the Fourth Proportional to 7,943,189.42, 11,918,808.20 and 3,624,761.08
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Solution
The fourth proportional to 7,943,189.42, 11,918,808.20 and 3,624,761.08 is: 5,438,977.95
Step by Step Solution
- Step 1: Write the proportion equation
7,943,189.42 : 11,918,808.20 = 3,624,761.08 : x - Step 2: Convert to fraction form
7,943,189.42/11,918,808.20 = 3,624,761.08/x - Step 3: Cross multiply
7,943,189.42x = 11,918,808.20 × 3,624,761.08 - Step 4: Simplify right side
7,943,189.42x = 43,202,832,083,344.85 - Step 5: Solve for x
x = 43,202,832,083,344.85/7,943,189.42 - Step 6: Final answer
x = 5,438,977.95
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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.