Finding the Fourth Proportional to 25,910,619.84, 38,839,919.04 and 8,859,631.68
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Solution
The fourth proportional to 25,910,619.84, 38,839,919.04 and 8,859,631.68 is: 13,280,553.66
Step by Step Solution
- Step 1: Write the proportion equation
25,910,619.84 : 38,839,919.04 = 8,859,631.68 : x - Step 2: Convert to fraction form
25,910,619.84/38,839,919.04 = 8,859,631.68/x - Step 3: Cross multiply
25,910,619.84x = 38,839,919.04 × 8,859,631.68 - Step 4: Simplify right side
25,910,619.84x = 344,107,377,175,419.19 - Step 5: Solve for x
x = 344,107,377,175,419.19/25,910,619.84 - Step 6: Final answer
x = 13,280,553.66
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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.