Finding the Fourth Proportional to 27,201,917.30, 38,133,072.70 and 27,201,917.30
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Solution
The fourth proportional to 27,201,917.30, 38,133,072.70 and 27,201,917.30 is: 38,133,072.70
Step by Step Solution
- Step 1: Write the proportion equation
27,201,917.30 : 38,133,072.70 = 27,201,917.30 : x - Step 2: Convert to fraction form
27,201,917.30/38,133,072.70 = 27,201,917.30/x - Step 3: Cross multiply
27,201,917.30x = 38,133,072.70 × 27,201,917.30 - Step 4: Simplify right side
27,201,917.30x = 1,037,292,689,980,287.88 - Step 5: Solve for x
x = 1,037,292,689,980,287.88/27,201,917.30 - Step 6: Final answer
x = 38,133,072.70
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.