Finding the Fourth Proportional to 14,434,174, 19,919,153.20 and 8,632,955.62
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Solution
The fourth proportional to 14,434,174, 19,919,153.20 and 8,632,955.62 is: 11,913,474.62
Step by Step Solution
- Step 1: Write the proportion equation
14,434,174 : 19,919,153.20 = 8,632,955.62 : x - Step 2: Convert to fraction form
14,434,174/19,919,153.20 = 8,632,955.62/x - Step 3: Cross multiply
14,434,174x = 19,919,153.20 × 8,632,955.62 - Step 4: Simplify right side
14,434,174x = 171,961,165,563,580.97 - Step 5: Solve for x
x = 171,961,165,563,580.97/14,434,174 - Step 6: Final answer
x = 11,913,474.62
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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.