Finding the Fourth Proportional to 10,244,320.12, 14,137,157.10 and 5,660,601.40
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Solution
The fourth proportional to 10,244,320.12, 14,137,157.10 and 5,660,601.40 is: 7,811,627.35
Step by Step Solution
- Step 1: Write the proportion equation
10,244,320.12 : 14,137,157.10 = 5,660,601.40 : x - Step 2: Convert to fraction form
10,244,320.12/14,137,157.10 = 5,660,601.40/x - Step 3: Cross multiply
10,244,320.12x = 14,137,157.10 × 5,660,601.40 - Step 4: Simplify right side
10,244,320.12x = 80,024,811,272,279.94 - Step 5: Solve for x
x = 80,024,811,272,279.94/10,244,320.12 - Step 6: Final answer
x = 7,811,627.35
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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.