Finding the Fourth Proportional to 10,079,708.08, 15,115,358.16 and 3,161,404.96
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Solution
The fourth proportional to 10,079,708.08, 15,115,358.16 and 3,161,404.96 is: 4,740,788.91
Step by Step Solution
- Step 1: Write the proportion equation
10,079,708.08 : 15,115,358.16 = 3,161,404.96 : x - Step 2: Convert to fraction form
10,079,708.08/15,115,358.16 = 3,161,404.96/x - Step 3: Cross multiply
10,079,708.08x = 15,115,358.16 × 3,161,404.96 - Step 4: Simplify right side
10,079,708.08x = 47,785,768,259,200.48 - Step 5: Solve for x
x = 47,785,768,259,200.48/10,079,708.08 - Step 6: Final answer
x = 4,740,788.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.