Finding the Fourth Proportional to 32,187,645.37, 44,420,118.68 and 18,439,266.70
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Solution
The fourth proportional to 32,187,645.37, 44,420,118.68 and 18,439,266.70 is: 25,446,857.20
Step by Step Solution
- Step 1: Write the proportion equation
32,187,645.37 : 44,420,118.68 = 18,439,266.70 : x - Step 2: Convert to fraction form
32,187,645.37/44,420,118.68 = 18,439,266.70/x - Step 3: Cross multiply
32,187,645.37x = 44,420,118.68 × 18,439,266.70 - Step 4: Simplify right side
32,187,645.37x = 819,074,415,186,171.88 - Step 5: Solve for x
x = 819,074,415,186,171.88/32,187,645.37 - Step 6: Final answer
x = 25,446,857.20
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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.