Finding the Fourth Proportional to 12,837,853.97, 17,718,054.84 and 7,944,652.07
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Solution
The fourth proportional to 12,837,853.97, 17,718,054.84 and 7,944,652.07 is: 10,964,743.90
Step by Step Solution
- Step 1: Write the proportion equation
12,837,853.97 : 17,718,054.84 = 7,944,652.07 : x - Step 2: Convert to fraction form
12,837,853.97/17,718,054.84 = 7,944,652.07/x - Step 3: Cross multiply
12,837,853.97x = 17,718,054.84 × 7,944,652.07 - Step 4: Simplify right side
12,837,853.97x = 140,763,780,972,389.25 - Step 5: Solve for x
x = 140,763,780,972,389.25/12,837,853.97 - Step 6: Final answer
x = 10,964,743.90
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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.