Finding the Fourth Proportional to 6,864,723.14, 9,472,628.16 and 4,111,340.09
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Solution
The fourth proportional to 6,864,723.14, 9,472,628.16 and 4,111,340.09 is: 5,673,236.21
Step by Step Solution
- Step 1: Write the proportion equation
6,864,723.14 : 9,472,628.16 = 4,111,340.09 : x - Step 2: Convert to fraction form
6,864,723.14/9,472,628.16 = 4,111,340.09/x - Step 3: Cross multiply
6,864,723.14x = 9,472,628.16 × 4,111,340.09 - Step 4: Simplify right side
6,864,723.14x = 38,945,195,864,507.80 - Step 5: Solve for x
x = 38,945,195,864,507.80/6,864,723.14 - Step 6: Final answer
x = 5,673,236.21
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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.