Finding the Fourth Proportional to 7,023,195.20, 9,692,795.94 and 3,967,606.28
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Solution
The fourth proportional to 7,023,195.20, 9,692,795.94 and 3,967,606.28 is: 5,475,741.02
Step by Step Solution
- Step 1: Write the proportion equation
7,023,195.20 : 9,692,795.94 = 3,967,606.28 : x - Step 2: Convert to fraction form
7,023,195.20/9,692,795.94 = 3,967,606.28/x - Step 3: Cross multiply
7,023,195.20x = 9,692,795.94 × 3,967,606.28 - Step 4: Simplify right side
7,023,195.20x = 38,457,198,042,302.50 - Step 5: Solve for x
x = 38,457,198,042,302.50/7,023,195.20 - Step 6: Final answer
x = 5,475,741.02
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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.