Finding the Fourth Proportional to 8,599,134.51, 12,900,694.64 and 2,919,358.62
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Solution
The fourth proportional to 8,599,134.51, 12,900,694.64 and 2,919,358.62 is: 4,379,714.50
Step by Step Solution
- Step 1: Write the proportion equation
8,599,134.51 : 12,900,694.64 = 2,919,358.62 : x - Step 2: Convert to fraction form
8,599,134.51/12,900,694.64 = 2,919,358.62/x - Step 3: Cross multiply
8,599,134.51x = 12,900,694.64 × 2,919,358.62 - Step 4: Simplify right side
8,599,134.51x = 37,661,754,086,675.01 - Step 5: Solve for x
x = 37,661,754,086,675.01/8,599,134.51 - Step 6: Final answer
x = 4,379,714.50
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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.