Finding the Fourth Proportional to 17,421,621.05, 26,135,919.83 and 9,756,166.91
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Solution
The fourth proportional to 17,421,621.05, 26,135,919.83 and 9,756,166.91 is: 14,636,203.80
Step by Step Solution
- Step 1: Write the proportion equation
17,421,621.05 : 26,135,919.83 = 9,756,166.91 : x - Step 2: Convert to fraction form
17,421,621.05/26,135,919.83 = 9,756,166.91/x - Step 3: Cross multiply
17,421,621.05x = 26,135,919.83 × 9,756,166.91 - Step 4: Simplify right side
17,421,621.05x = 254,986,396,159,078 - Step 5: Solve for x
x = 254,986,396,159,078/17,421,621.05 - Step 6: Final answer
x = 14,636,203.80
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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.