Finding the Fourth Proportional to 7,528,463.19, 11,286,346.41 and 3,265,421.85
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Solution
The fourth proportional to 7,528,463.19, 11,286,346.41 and 3,265,421.85 is: 4,895,379.21
Step by Step Solution
- Step 1: Write the proportion equation
7,528,463.19 : 11,286,346.41 = 3,265,421.85 : x - Step 2: Convert to fraction form
7,528,463.19/11,286,346.41 = 3,265,421.85/x - Step 3: Cross multiply
7,528,463.19x = 11,286,346.41 × 3,265,421.85 - Step 4: Simplify right side
7,528,463.19x = 36,854,682,173,883.06 - Step 5: Solve for x
x = 36,854,682,173,883.06/7,528,463.19 - Step 6: Final answer
x = 4,895,379.21
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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.