Finding the Fourth Proportional to 42,479,919.62, 58,626,821.81 and 24,844,214.06
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Solution
The fourth proportional to 42,479,919.62, 58,626,821.81 and 24,844,214.06 is: 34,287,666.35
Step by Step Solution
- Step 1: Write the proportion equation
42,479,919.62 : 58,626,821.81 = 24,844,214.06 : x - Step 2: Convert to fraction form
42,479,919.62/58,626,821.81 = 24,844,214.06/x - Step 3: Cross multiply
42,479,919.62x = 58,626,821.81 × 24,844,214.06 - Step 4: Simplify right side
42,479,919.62x = 1,456,537,310,474,093 - Step 5: Solve for x
x = 1,456,537,310,474,093/42,479,919.62 - Step 6: Final answer
x = 34,287,666.35
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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.