Finding the Fourth Proportional to 7,752,146.26, 10,697,961.98 and 4,315,199.21
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Solution
The fourth proportional to 7,752,146.26, 10,697,961.98 and 4,315,199.21 is: 5,954,974.99
Step by Step Solution
- Step 1: Write the proportion equation
7,752,146.26 : 10,697,961.98 = 4,315,199.21 : x - Step 2: Convert to fraction form
7,752,146.26/10,697,961.98 = 4,315,199.21/x - Step 3: Cross multiply
7,752,146.26x = 10,697,961.98 × 4,315,199.21 - Step 4: Simplify right side
7,752,146.26x = 46,163,837,084,706.04 - Step 5: Solve for x
x = 46,163,837,084,706.04/7,752,146.26 - Step 6: Final answer
x = 5,954,974.99
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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.