Finding the Fourth Proportional to 37,121,993.43, 51,234,512.08 and 21,652,078.07
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Solution
The fourth proportional to 37,121,993.43, 51,234,512.08 and 21,652,078.07 is: 29,883,461.34
Step by Step Solution
- Step 1: Write the proportion equation
37,121,993.43 : 51,234,512.08 = 21,652,078.07 : x - Step 2: Convert to fraction form
37,121,993.43/51,234,512.08 = 21,652,078.07/x - Step 3: Cross multiply
37,121,993.43x = 51,234,512.08 × 21,652,078.07 - Step 4: Simplify right side
37,121,993.43x = 1,109,333,655,434,518 - Step 5: Solve for x
x = 1,109,333,655,434,518/37,121,993.43 - Step 6: Final answer
x = 29,883,461.34
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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.