Finding the Fourth Proportional to 8,173,075.98, 11,278,707.06 and 4,502,335.92
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Solution
The fourth proportional to 8,173,075.98, 11,278,707.06 and 4,502,335.92 is: 6,213,147.66
Step by Step Solution
- Step 1: Write the proportion equation
8,173,075.98 : 11,278,707.06 = 4,502,335.92 : x - Step 2: Convert to fraction form
8,173,075.98/11,278,707.06 = 4,502,335.92/x - Step 3: Cross multiply
8,173,075.98x = 11,278,707.06 × 4,502,335.92 - Step 4: Simplify right side
8,173,075.98x = 50,780,527,927,395.59 - Step 5: Solve for x
x = 50,780,527,927,395.59/8,173,075.98 - Step 6: Final answer
x = 6,213,147.66
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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.