Finding the Fourth Proportional to 17,719,512.62, 26,580,769.45 and 4,940,029.62
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Solution
The fourth proportional to 17,719,512.62, 26,580,769.45 and 4,940,029.62 is: 7,410,462.76
Step by Step Solution
- Step 1: Write the proportion equation
17,719,512.62 : 26,580,769.45 = 4,940,029.62 : x - Step 2: Convert to fraction form
17,719,512.62/26,580,769.45 = 4,940,029.62/x - Step 3: Cross multiply
17,719,512.62x = 26,580,769.45 × 4,940,029.62 - Step 4: Simplify right side
17,719,512.62x = 131,309,788,393,041.05 - Step 5: Solve for x
x = 131,309,788,393,041.05/17,719,512.62 - Step 6: Final answer
x = 7,410,462.76
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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.