Finding the Fourth Proportional to 10,874,266.28, 15,006,170.16 and 5,979,483.28
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Solution
The fourth proportional to 10,874,266.28, 15,006,170.16 and 5,979,483.28 is: 8,251,512.45
Step by Step Solution
- Step 1: Write the proportion equation
10,874,266.28 : 15,006,170.16 = 5,979,483.28 : x - Step 2: Convert to fraction form
10,874,266.28/15,006,170.16 = 5,979,483.28/x - Step 3: Cross multiply
10,874,266.28x = 15,006,170.16 × 5,979,483.28 - Step 4: Simplify right side
10,874,266.28x = 89,729,143,568,554.92 - Step 5: Solve for x
x = 89,729,143,568,554.92/10,874,266.28 - Step 6: Final answer
x = 8,251,512.45
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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.