Finding the Fourth Proportional to 17,395,890.90, 26,077,247.55 and 13,555,583.70
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Solution
The fourth proportional to 17,395,890.90, 26,077,247.55 and 13,555,583.70 is: 20,320,448.88
Step by Step Solution
- Step 1: Write the proportion equation
17,395,890.90 : 26,077,247.55 = 13,555,583.70 : x - Step 2: Convert to fraction form
17,395,890.90/26,077,247.55 = 13,555,583.70/x - Step 3: Cross multiply
17,395,890.90x = 26,077,247.55 × 13,555,583.70 - Step 4: Simplify right side
17,395,890.90x = 353,492,311,829,644.94 - Step 5: Solve for x
x = 353,492,311,829,644.94/17,395,890.90 - Step 6: Final answer
x = 20,320,448.88
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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.