Finding the Fourth Proportional to 18,589,118.68, 25,645,026.49 and 11,607,676.03
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Solution
The fourth proportional to 18,589,118.68, 25,645,026.49 and 11,607,676.03 is: 16,013,624.12
Step by Step Solution
- Step 1: Write the proportion equation
18,589,118.68 : 25,645,026.49 = 11,607,676.03 : x - Step 2: Convert to fraction form
18,589,118.68/25,645,026.49 = 11,607,676.03/x - Step 3: Cross multiply
18,589,118.68x = 25,645,026.49 × 11,607,676.03 - Step 4: Simplify right side
18,589,118.68x = 297,679,159,276,688 - Step 5: Solve for x
x = 297,679,159,276,688/18,589,118.68 - Step 6: Final answer
x = 16,013,624.12
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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.