Finding the Fourth Proportional to 18,105,582.68, 24,985,204.62 and 9,956,820.68
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Solution
The fourth proportional to 18,105,582.68, 24,985,204.62 and 9,956,820.68 is: 13,740,137.86
Step by Step Solution
- Step 1: Write the proportion equation
18,105,582.68 : 24,985,204.62 = 9,956,820.68 : x - Step 2: Convert to fraction form
18,105,582.68/24,985,204.62 = 9,956,820.68/x - Step 3: Cross multiply
18,105,582.68x = 24,985,204.62 × 9,956,820.68 - Step 4: Simplify right side
18,105,582.68x = 248,773,202,054,447.53 - Step 5: Solve for x
x = 248,773,202,054,447.53/18,105,582.68 - Step 6: Final answer
x = 13,740,137.86
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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.