Finding the Fourth Proportional to 13,192,291.62, 19,787,919.84 and 5,513,953.32
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Solution
The fourth proportional to 13,192,291.62, 19,787,919.84 and 5,513,953.32 is: 8,270,713.64
Step by Step Solution
- Step 1: Write the proportion equation
13,192,291.62 : 19,787,919.84 = 5,513,953.32 : x - Step 2: Convert to fraction form
13,192,291.62/19,787,919.84 = 5,513,953.32/x - Step 3: Cross multiply
13,192,291.62x = 19,787,919.84 × 5,513,953.32 - Step 4: Simplify right side
13,192,291.62x = 109,109,666,297,661.88 - Step 5: Solve for x
x = 109,109,666,297,661.88/13,192,291.62 - Step 6: Final answer
x = 8,270,713.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.