Finding the Fourth Proportional to 37,766,431.49, 56,649,647.36 and 12,207,440.86
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Solution
The fourth proportional to 37,766,431.49, 56,649,647.36 and 12,207,440.86 is: 18,311,161.33
Step by Step Solution
- Step 1: Write the proportion equation
37,766,431.49 : 56,649,647.36 = 12,207,440.86 : x - Step 2: Convert to fraction form
37,766,431.49/56,649,647.36 = 12,207,440.86/x - Step 3: Cross multiply
37,766,431.49x = 56,649,647.36 × 12,207,440.86 - Step 4: Simplify right side
37,766,431.49x = 691,547,219,775,949.62 - Step 5: Solve for x
x = 691,547,219,775,949.62/37,766,431.49 - Step 6: Final answer
x = 18,311,161.33
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.