Finding the Fourth Proportional to 7,135,548.30, 10,706,277.33 and 3,940,389.90
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Solution
The fourth proportional to 7,135,548.30, 10,706,277.33 and 3,940,389.90 is: 5,912,216.59
Step by Step Solution
- Step 1: Write the proportion equation
7,135,548.30 : 10,706,277.33 = 3,940,389.90 : x - Step 2: Convert to fraction form
7,135,548.30/10,706,277.33 = 3,940,389.90/x - Step 3: Cross multiply
7,135,548.30x = 10,706,277.33 × 3,940,389.90 - Step 4: Simplify right side
7,135,548.30x = 42,186,907,057,730.97 - Step 5: Solve for x
x = 42,186,907,057,730.97/7,135,548.30 - Step 6: Final answer
x = 5,912,216.59
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.