Finding the Fourth Proportional to 7,647,696.99, 10,551,444.66 and 4,339,443.96
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Solution
The fourth proportional to 7,647,696.99, 10,551,444.66 and 4,339,443.96 is: 5,987,083.81
Step by Step Solution
- Step 1: Write the proportion equation
7,647,696.99 : 10,551,444.66 = 4,339,443.96 : x - Step 2: Convert to fraction form
7,647,696.99/10,551,444.66 = 4,339,443.96/x - Step 3: Cross multiply
7,647,696.99x = 10,551,444.66 × 4,339,443.96 - Step 4: Simplify right side
7,647,696.99x = 45,787,402,799,111.25 - Step 5: Solve for x
x = 45,787,402,799,111.25/7,647,696.99 - Step 6: Final answer
x = 5,987,083.81
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.