Finding the Fourth Proportional to 14,586,174.10, 20,130,068.19 and 8,306,966.44
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Solution
The fourth proportional to 14,586,174.10, 20,130,068.19 and 8,306,966.44 is: 11,464,267.45
Step by Step Solution
- Step 1: Write the proportion equation
14,586,174.10 : 20,130,068.19 = 8,306,966.44 : x - Step 2: Convert to fraction form
14,586,174.10/20,130,068.19 = 8,306,966.44/x - Step 3: Cross multiply
14,586,174.10x = 20,130,068.19 × 8,306,966.44 - Step 4: Simplify right side
14,586,174.10x = 167,219,800,875,469.41 - Step 5: Solve for x
x = 167,219,800,875,469.41/14,586,174.10 - Step 6: Final answer
x = 11,464,267.45
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.