Finding the Fourth Proportional to 14,761,385.14, 20,370,720.17 and 8,235,014.63
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Solution
The fourth proportional to 14,761,385.14, 20,370,720.17 and 8,235,014.63 is: 11,364,325.02
Step by Step Solution
- Step 1: Write the proportion equation
14,761,385.14 : 20,370,720.17 = 8,235,014.63 : x - Step 2: Convert to fraction form
14,761,385.14/20,370,720.17 = 8,235,014.63/x - Step 3: Cross multiply
14,761,385.14x = 20,370,720.17 × 8,235,014.63 - Step 4: Simplify right side
14,761,385.14x = 167,753,178,480,557.41 - Step 5: Solve for x
x = 167,753,178,480,557.41/14,761,385.14 - Step 6: Final answer
x = 11,364,325.02
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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.