Finding the Fourth Proportional to 9,853,138.80, 13,603,729.62 and 8,818,855.48
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Solution
The fourth proportional to 9,853,138.80, 13,603,729.62 and 8,818,855.48 is: 12,175,747.03
Step by Step Solution
- Step 1: Write the proportion equation
9,853,138.80 : 13,603,729.62 = 8,818,855.48 : x - Step 2: Convert to fraction form
9,853,138.80/13,603,729.62 = 8,818,855.48/x - Step 3: Cross multiply
9,853,138.80x = 13,603,729.62 × 8,818,855.48 - Step 4: Simplify right side
9,853,138.80x = 119,969,325,507,775.31 - Step 5: Solve for x
x = 119,969,325,507,775.31/9,853,138.80 - Step 6: Final answer
x = 12,175,747.03
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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.