Finding the Fourth Proportional to 8,167,223.46, 12,258,405.57 and 4,126,551.21
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Solution
The fourth proportional to 8,167,223.46, 12,258,405.57 and 4,126,551.21 is: 6,193,651.81
Step by Step Solution
- Step 1: Write the proportion equation
8,167,223.46 : 12,258,405.57 = 4,126,551.21 : x - Step 2: Convert to fraction form
8,167,223.46/12,258,405.57 = 4,126,551.21/x - Step 3: Cross multiply
8,167,223.46x = 12,258,405.57 × 4,126,551.21 - Step 4: Simplify right side
8,167,223.46x = 50,584,938,337,554.24 - Step 5: Solve for x
x = 50,584,938,337,554.24/8,167,223.46 - Step 6: Final answer
x = 6,193,651.81
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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.