Finding the Fourth Proportional to 10,418,903.27, 15,622,295.99 and 3,942,478.67
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Solution
The fourth proportional to 10,418,903.27, 15,622,295.99 and 3,942,478.67 is: 5,911,425.32
Step by Step Solution
- Step 1: Write the proportion equation
10,418,903.27 : 15,622,295.99 = 3,942,478.67 : x - Step 2: Convert to fraction form
10,418,903.27/15,622,295.99 = 3,942,478.67/x - Step 3: Cross multiply
10,418,903.27x = 15,622,295.99 × 3,942,478.67 - Step 4: Simplify right side
10,418,903.27x = 61,590,568,648,746.25 - Step 5: Solve for x
x = 61,590,568,648,746.25/10,418,903.27 - Step 6: Final answer
x = 5,911,425.32
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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.