Finding the Fourth Proportional to 10,685,178.21, 16,027,542.53 and 2,598,195.31
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Solution
The fourth proportional to 10,685,178.21, 16,027,542.53 and 2,598,195.31 is: 3,897,238.31
Step by Step Solution
- Step 1: Write the proportion equation
10,685,178.21 : 16,027,542.53 = 2,598,195.31 : x - Step 2: Convert to fraction form
10,685,178.21/16,027,542.53 = 2,598,195.31/x - Step 3: Cross multiply
10,685,178.21x = 16,027,542.53 × 2,598,195.31 - Step 4: Simplify right side
10,685,178.21x = 41,642,685,832,271.53 - Step 5: Solve for x
x = 41,642,685,832,271.53/10,685,178.21 - Step 6: Final answer
x = 3,897,238.31
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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.