Finding the Fourth Proportional to 12,307,910.93, 18,462,653.68 and 4,734,876.68
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Solution
The fourth proportional to 12,307,910.93, 18,462,653.68 and 4,734,876.68 is: 7,102,617.89
Step by Step Solution
- Step 1: Write the proportion equation
12,307,910.93 : 18,462,653.68 = 4,734,876.68 : x - Step 2: Convert to fraction form
12,307,910.93/18,462,653.68 = 4,734,876.68/x - Step 3: Cross multiply
12,307,910.93x = 18,462,653.68 × 4,734,876.68 - Step 4: Simplify right side
12,307,910.93x = 87,418,388,360,348.17 - Step 5: Solve for x
x = 87,418,388,360,348.17/12,307,910.93 - Step 6: Final answer
x = 7,102,617.89
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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.