Finding the Fourth Proportional to 17,891,800.70, 26,837,701.05 and 15,120,434.30
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Solution
The fourth proportional to 17,891,800.70, 26,837,701.05 and 15,120,434.30 is: 22,680,651.45
Step by Step Solution
- Step 1: Write the proportion equation
17,891,800.70 : 26,837,701.05 = 15,120,434.30 : x - Step 2: Convert to fraction form
17,891,800.70/26,837,701.05 = 15,120,434.30/x - Step 3: Cross multiply
17,891,800.70x = 26,837,701.05 × 15,120,434.30 - Step 4: Simplify right side
17,891,800.70x = 405,797,695,489,566.06 - Step 5: Solve for x
x = 405,797,695,489,566.06/17,891,800.70 - Step 6: Final answer
x = 22,680,651.45
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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.