Finding the Fourth Proportional to 7,806,342.20, 10,773,879.59 and 4,498,003.08
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Solution
The fourth proportional to 7,806,342.20, 10,773,879.59 and 4,498,003.08 is: 6,207,893.83
Step by Step Solution
- Step 1: Write the proportion equation
7,806,342.20 : 10,773,879.59 = 4,498,003.08 : x - Step 2: Convert to fraction form
7,806,342.20/10,773,879.59 = 4,498,003.08/x - Step 3: Cross multiply
7,806,342.20x = 10,773,879.59 × 4,498,003.08 - Step 4: Simplify right side
7,806,342.20x = 48,460,943,579,369.14 - Step 5: Solve for x
x = 48,460,943,579,369.14/7,806,342.20 - Step 6: Final answer
x = 6,207,893.83
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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.