Finding the Fourth Proportional to 37,618,353.12, 51,913,896.12 and 21,102,138.84
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Solution
The fourth proportional to 37,618,353.12, 51,913,896.12 and 21,102,138.84 is: 29,121,270.68
Step by Step Solution
- Step 1: Write the proportion equation
37,618,353.12 : 51,913,896.12 = 21,102,138.84 : x - Step 2: Convert to fraction form
37,618,353.12/51,913,896.12 = 21,102,138.84/x - Step 3: Cross multiply
37,618,353.12x = 51,913,896.12 × 21,102,138.84 - Step 4: Simplify right side
37,618,353.12x = 1,095,494,243,649,577.25 - Step 5: Solve for x
x = 1,095,494,243,649,577.25/37,618,353.12 - Step 6: Final answer
x = 29,121,270.68
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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.