Finding the Fourth Proportional to 36,657,646.05, 50,587,584.99 and 20,138,840.76
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Solution
The fourth proportional to 36,657,646.05, 50,587,584.99 and 20,138,840.76 is: 27,791,618.62
Step by Step Solution
- Step 1: Write the proportion equation
36,657,646.05 : 50,587,584.99 = 20,138,840.76 : x - Step 2: Convert to fraction form
36,657,646.05/50,587,584.99 = 20,138,840.76/x - Step 3: Cross multiply
36,657,646.05x = 50,587,584.99 × 20,138,840.76 - Step 4: Simplify right side
36,657,646.05x = 1,018,775,318,546,576.38 - Step 5: Solve for x
x = 1,018,775,318,546,576.38/36,657,646.05 - Step 6: Final answer
x = 27,791,618.62
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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.