Finding the Fourth Proportional to 19,844,131.20, 29,745,201.60 and 7,708,905.60
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Solution
The fourth proportional to 19,844,131.20, 29,745,201.60 and 7,708,905.60 is: 11,555,202.34
Step by Step Solution
- Step 1: Write the proportion equation
19,844,131.20 : 29,745,201.60 = 7,708,905.60 : x - Step 2: Convert to fraction form
19,844,131.20/29,745,201.60 = 7,708,905.60/x - Step 3: Cross multiply
19,844,131.20x = 29,745,201.60 × 7,708,905.60 - Step 4: Simplify right side
19,844,131.20x = 229,302,951,187,368.97 - Step 5: Solve for x
x = 229,302,951,187,368.97/19,844,131.20 - Step 6: Final answer
x = 11,555,202.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.