Finding the Fourth Proportional to 16,103,968.70, 22,236,885.48 and 14,935,610.42
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Solution
The fourth proportional to 16,103,968.70, 22,236,885.48 and 14,935,610.42 is: 20,623,578.24
Step by Step Solution
- Step 1: Write the proportion equation
16,103,968.70 : 22,236,885.48 = 14,935,610.42 : x - Step 2: Convert to fraction form
16,103,968.70/22,236,885.48 = 14,935,610.42/x - Step 3: Cross multiply
16,103,968.70x = 22,236,885.48 × 14,935,610.42 - Step 4: Simplify right side
16,103,968.70x = 332,121,458,483,434.69 - Step 5: Solve for x
x = 332,121,458,483,434.69/16,103,968.70 - Step 6: Final answer
x = 20,623,578.24
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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.