Finding the Fourth Proportional to 16,817,617.70, 25,173,282.45 and 13,203,818.90
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Solution
The fourth proportional to 16,817,617.70, 25,173,282.45 and 13,203,818.90 is: 19,764,003.95
Step by Step Solution
- Step 1: Write the proportion equation
16,817,617.70 : 25,173,282.45 = 13,203,818.90 : x - Step 2: Convert to fraction form
16,817,617.70/25,173,282.45 = 13,203,818.90/x - Step 3: Cross multiply
16,817,617.70x = 25,173,282.45 × 13,203,818.90 - Step 4: Simplify right side
16,817,617.70x = 332,383,462,588,348.31 - Step 5: Solve for x
x = 332,383,462,588,348.31/16,817,617.70 - Step 6: Final answer
x = 19,764,003.95
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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.