Finding the Fourth Proportional to 7,823,451.91, 11,735,053.18 and 2,143,676.23
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Solution
The fourth proportional to 7,823,451.91, 11,735,053.18 and 2,143,676.23 is: 3,215,480.18
Step by Step Solution
- Step 1: Write the proportion equation
7,823,451.91 : 11,735,053.18 = 2,143,676.23 : x - Step 2: Convert to fraction form
7,823,451.91/11,735,053.18 = 2,143,676.23/x - Step 3: Cross multiply
7,823,451.91x = 11,735,053.18 × 2,143,676.23 - Step 4: Simplify right side
7,823,451.91x = 25,156,154,559,751.91 - Step 5: Solve for x
x = 25,156,154,559,751.91/7,823,451.91 - Step 6: Final answer
x = 3,215,480.18
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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.