Finding the Fourth Proportional to 48,720,408.21, 67,231,593 and 27,811,610.10
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Solution
The fourth proportional to 48,720,408.21, 67,231,593 and 27,811,610.10 is: 38,378,554.69
Step by Step Solution
- Step 1: Write the proportion equation
48,720,408.21 : 67,231,593 = 27,811,610.10 : x - Step 2: Convert to fraction form
48,720,408.21/67,231,593 = 27,811,610.10/x - Step 3: Cross multiply
48,720,408.21x = 67,231,593 × 27,811,610.10 - Step 4: Simplify right side
48,720,408.21x = 1,869,818,850,917,889.50 - Step 5: Solve for x
x = 1,869,818,850,917,889.50/48,720,408.21 - Step 6: Final answer
x = 38,378,554.69
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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.