Finding the Fourth Proportional to 7,944,036.77, 10,962,447.94 and 4,506,203.99
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Solution
The fourth proportional to 7,944,036.77, 10,962,447.94 and 4,506,203.99 is: 6,218,378.40
Step by Step Solution
- Step 1: Write the proportion equation
7,944,036.77 : 10,962,447.94 = 4,506,203.99 : x - Step 2: Convert to fraction form
7,944,036.77/10,962,447.94 = 4,506,203.99/x - Step 3: Cross multiply
7,944,036.77x = 10,962,447.94 × 4,506,203.99 - Step 4: Simplify right side
7,944,036.77x = 49,399,026,647,395.28 - Step 5: Solve for x
x = 49,399,026,647,395.28/7,944,036.77 - Step 6: Final answer
x = 6,218,378.40
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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.