Finding the Fourth Proportional to 8,115,581.97, 12,175,239.20 and 2,435,913.81
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Solution
The fourth proportional to 8,115,581.97, 12,175,239.20 and 2,435,913.81 is: 3,654,430.87
Step by Step Solution
- Step 1: Write the proportion equation
8,115,581.97 : 12,175,239.20 = 2,435,913.81 : x - Step 2: Convert to fraction form
8,115,581.97/12,175,239.20 = 2,435,913.81/x - Step 3: Cross multiply
8,115,581.97x = 12,175,239.20 × 2,435,913.81 - Step 4: Simplify right side
8,115,581.97x = 29,657,833,295,153.79 - Step 5: Solve for x
x = 29,657,833,295,153.79/8,115,581.97 - Step 6: Final answer
x = 3,654,430.87
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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.