Finding the Fourth Proportional to 13,053,351.24, 18,012,568.63 and 7,547,079.38
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Solution
The fourth proportional to 13,053,351.24, 18,012,568.63 and 7,547,079.38 is: 10,414,358.94
Step by Step Solution
- Step 1: Write the proportion equation
13,053,351.24 : 18,012,568.63 = 7,547,079.38 : x - Step 2: Convert to fraction form
13,053,351.24/18,012,568.63 = 7,547,079.38/x - Step 3: Cross multiply
13,053,351.24x = 18,012,568.63 × 7,547,079.38 - Step 4: Simplify right side
13,053,351.24x = 135,942,285,179,377.31 - Step 5: Solve for x
x = 135,942,285,179,377.31/13,053,351.24 - Step 6: Final answer
x = 10,414,358.94
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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.