Finding the Fourth Proportional to 8,917,496.32, 12,305,746.56 and 5,049,935.68
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Solution
The fourth proportional to 8,917,496.32, 12,305,746.56 and 5,049,935.68 is: 6,968,685.65
Step by Step Solution
- Step 1: Write the proportion equation
8,917,496.32 : 12,305,746.56 = 5,049,935.68 : x - Step 2: Convert to fraction form
8,917,496.32/12,305,746.56 = 5,049,935.68/x - Step 3: Cross multiply
8,917,496.32x = 12,305,746.56 × 5,049,935.68 - Step 4: Simplify right side
8,917,496.32x = 62,143,228,622,381.26 - Step 5: Solve for x
x = 62,143,228,622,381.26/8,917,496.32 - Step 6: Final answer
x = 6,968,685.65
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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.