Finding the Fourth Proportional to 48,391,447.68, 66,780,161.64 and 26,661,415.68
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Solution
The fourth proportional to 48,391,447.68, 66,780,161.64 and 26,661,415.68 is: 36,792,733.72
Step by Step Solution
- Step 1: Write the proportion equation
48,391,447.68 : 66,780,161.64 = 26,661,415.68 : x - Step 2: Convert to fraction form
48,391,447.68/66,780,161.64 = 26,661,415.68/x - Step 3: Cross multiply
48,391,447.68x = 66,780,161.64 × 26,661,415.68 - Step 4: Simplify right side
48,391,447.68x = 1,780,453,648,661,630.50 - Step 5: Solve for x
x = 1,780,453,648,661,630.50/48,391,447.68 - Step 6: Final answer
x = 36,792,733.72
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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.