Finding the Fourth Proportional to 35,671,190.75, 49,224,595.87 and 20,201,386.13
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Solution
The fourth proportional to 35,671,190.75, 49,224,595.87 and 20,201,386.13 is: 27,876,979.92
Step by Step Solution
- Step 1: Write the proportion equation
35,671,190.75 : 49,224,595.87 = 20,201,386.13 : x - Step 2: Convert to fraction form
35,671,190.75/49,224,595.87 = 20,201,386.13/x - Step 3: Cross multiply
35,671,190.75x = 49,224,595.87 × 20,201,386.13 - Step 4: Simplify right side
35,671,190.75x = 994,405,068,263,073.12 - Step 5: Solve for x
x = 994,405,068,263,073.12/35,671,190.75 - Step 6: Final answer
x = 27,876,979.92
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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.