Finding the Fourth Proportional to 12,983,764.11, 17,917,529.36 and 7,103,291.75
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Solution
The fourth proportional to 12,983,764.11, 17,917,529.36 and 7,103,291.75 is: 9,802,506.99
Step by Step Solution
- Step 1: Write the proportion equation
12,983,764.11 : 17,917,529.36 = 7,103,291.75 : x - Step 2: Convert to fraction form
12,983,764.11/17,917,529.36 = 7,103,291.75/x - Step 3: Cross multiply
12,983,764.11x = 17,917,529.36 × 7,103,291.75 - Step 4: Simplify right side
12,983,764.11x = 127,273,438,483,270.78 - Step 5: Solve for x
x = 127,273,438,483,270.78/12,983,764.11 - Step 6: Final answer
x = 9,802,506.99
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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.