Finding the Fourth Proportional to 13,279,425.26, 19,919,844.14 and 4,182,234.26
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Solution
The fourth proportional to 13,279,425.26, 19,919,844.14 and 4,182,234.26 is: 6,273,573.81
Step by Step Solution
- Step 1: Write the proportion equation
13,279,425.26 : 19,919,844.14 = 4,182,234.26 : x - Step 2: Convert to fraction form
13,279,425.26/19,919,844.14 = 4,182,234.26/x - Step 3: Cross multiply
13,279,425.26x = 19,919,844.14 × 4,182,234.26 - Step 4: Simplify right side
13,279,425.26x = 83,309,454,495,657.84 - Step 5: Solve for x
x = 83,309,454,495,657.84/13,279,425.26 - Step 6: Final answer
x = 6,273,573.81
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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.