Finding the Fourth Proportional to 22,588,234.33, 31,174,420.60 and 13,420,877.08
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Solution
The fourth proportional to 22,588,234.33, 31,174,420.60 and 13,420,877.08 is: 18,522,389.17
Step by Step Solution
- Step 1: Write the proportion equation
22,588,234.33 : 31,174,420.60 = 13,420,877.08 : x - Step 2: Convert to fraction form
22,588,234.33/31,174,420.60 = 13,420,877.08/x - Step 3: Cross multiply
22,588,234.33x = 31,174,420.60 × 13,420,877.08 - Step 4: Simplify right side
22,588,234.33x = 418,388,066,912,819.88 - Step 5: Solve for x
x = 418,388,066,912,819.88/22,588,234.33 - Step 6: Final answer
x = 18,522,389.17
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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.