Finding the Fourth Proportional to 10,206,758.70, 15,310,138.05 and 6,973,497.90
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Solution
The fourth proportional to 10,206,758.70, 15,310,138.05 and 6,973,497.90 is: 10,460,246.85
Step by Step Solution
- Step 1: Write the proportion equation
10,206,758.70 : 15,310,138.05 = 6,973,497.90 : x - Step 2: Convert to fraction form
10,206,758.70/15,310,138.05 = 6,973,497.90/x - Step 3: Cross multiply
10,206,758.70x = 15,310,138.05 × 6,973,497.90 - Step 4: Simplify right side
10,206,758.70x = 106,765,215,540,385.11 - Step 5: Solve for x
x = 106,765,215,540,385.11/10,206,758.70 - Step 6: Final answer
x = 10,460,246.85
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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.