Finding the Fourth Proportional to 6,891,881.36, 9,508,237.94 and 6,881,252.54
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Solution
The fourth proportional to 6,891,881.36, 9,508,237.94 and 6,881,252.54 is: 9,493,574.12
Step by Step Solution
- Step 1: Write the proportion equation
6,891,881.36 : 9,508,237.94 = 6,881,252.54 : x - Step 2: Convert to fraction form
6,891,881.36/9,508,237.94 = 6,881,252.54/x - Step 3: Cross multiply
6,891,881.36x = 9,508,237.94 × 6,881,252.54 - Step 4: Simplify right side
6,891,881.36x = 65,428,586,516,523.10 - Step 5: Solve for x
x = 65,428,586,516,523.10/6,891,881.36 - Step 6: Final answer
x = 9,493,574.12
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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.