Finding the Fourth Proportional to 19,919,267.76, 29,879,960.76 and 6,273,481.20
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Solution
The fourth proportional to 19,919,267.76, 29,879,960.76 and 6,273,481.20 is: 9,410,555.36
Step by Step Solution
- Step 1: Write the proportion equation
19,919,267.76 : 29,879,960.76 = 6,273,481.20 : x - Step 2: Convert to fraction form
19,919,267.76/29,879,960.76 = 6,273,481.20/x - Step 3: Cross multiply
19,919,267.76x = 29,879,960.76 × 6,273,481.20 - Step 4: Simplify right side
19,919,267.76x = 187,451,372,084,597.72 - Step 5: Solve for x
x = 187,451,372,084,597.72/19,919,267.76 - Step 6: Final answer
x = 9,410,555.36
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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.