Finding the Fourth Proportional to 9,841,516.10, 14,762,274.15 and 9,781,728.99
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Solution
The fourth proportional to 9,841,516.10, 14,762,274.15 and 9,781,728.99 is: 14,672,593.49
Step by Step Solution
- Step 1: Write the proportion equation
9,841,516.10 : 14,762,274.15 = 9,781,728.99 : x - Step 2: Convert to fraction form
9,841,516.10/14,762,274.15 = 9,781,728.99/x - Step 3: Cross multiply
9,841,516.10x = 14,762,274.15 × 9,781,728.99 - Step 4: Simplify right side
9,841,516.10x = 144,400,565,011,382.62 - Step 5: Solve for x
x = 144,400,565,011,382.62/9,841,516.10 - Step 6: Final answer
x = 14,672,593.49
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Double scale
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Similar ratio
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1.5x scale
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.