Finding the Fourth Proportional to 14,672,373.22, 20,246,938.36 and 8,146,000.99
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Solution
The fourth proportional to 14,672,373.22, 20,246,938.36 and 8,146,000.99 is: 11,240,961.33
Step by Step Solution
- Step 1: Write the proportion equation
14,672,373.22 : 20,246,938.36 = 8,146,000.99 : x - Step 2: Convert to fraction form
14,672,373.22/20,246,938.36 = 8,146,000.99/x - Step 3: Cross multiply
14,672,373.22x = 20,246,938.36 × 8,146,000.99 - Step 4: Simplify right side
14,672,373.22x = 164,931,579,925,028.97 - Step 5: Solve for x
x = 164,931,579,925,028.97/14,672,373.22 - Step 6: Final answer
x = 11,240,961.33
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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.