Finding the Fourth Proportional to 22,559,553.99, 31,132,278 and 12,771,887.00
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Solution
The fourth proportional to 22,559,553.99, 31,132,278 and 12,771,887.00 is: 17,625,256.98
Step by Step Solution
- Step 1: Write the proportion equation
22,559,553.99 : 31,132,278 = 12,771,887.00 : x - Step 2: Convert to fraction form
22,559,553.99/31,132,278 = 12,771,887.00/x - Step 3: Cross multiply
22,559,553.99x = 31,132,278 × 12,771,887.00 - Step 4: Simplify right side
22,559,553.99x = 397,617,936,512,924.56 - Step 5: Solve for x
x = 397,617,936,512,924.56/22,559,553.99 - Step 6: Final answer
x = 17,625,256.98
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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.