Finding the Fourth Proportional to 17,386,910.90, 26,080,366.35 and 4,609,387.70
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Solution
The fourth proportional to 17,386,910.90, 26,080,366.35 and 4,609,387.70 is: 6,914,081.55
Step by Step Solution
- Step 1: Write the proportion equation
17,386,910.90 : 26,080,366.35 = 4,609,387.70 : x - Step 2: Convert to fraction form
17,386,910.90/26,080,366.35 = 4,609,387.70/x - Step 3: Cross multiply
17,386,910.90x = 26,080,366.35 × 4,609,387.70 - Step 4: Simplify right side
17,386,910.90x = 120,214,519,865,183.91 - Step 5: Solve for x
x = 120,214,519,865,183.91/17,386,910.90 - Step 6: Final answer
x = 6,914,081.55
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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.