Finding the Fourth Proportional to 9,659,209.93, 13,329,431.84 and 5,308,290.99
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Solution
The fourth proportional to 9,659,209.93, 13,329,431.84 and 5,308,290.99 is: 7,325,288.87
Step by Step Solution
- Step 1: Write the proportion equation
9,659,209.93 : 13,329,431.84 = 5,308,290.99 : x - Step 2: Convert to fraction form
9,659,209.93/13,329,431.84 = 5,308,290.99/x - Step 3: Cross multiply
9,659,209.93x = 13,329,431.84 × 5,308,290.99 - Step 4: Simplify right side
9,659,209.93x = 70,756,502,951,361.84 - Step 5: Solve for x
x = 70,756,502,951,361.84/9,659,209.93 - Step 6: Final answer
x = 7,325,288.87
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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.