Finding the Fourth Proportional to 13,467,958.99, 18,588,810.83 and 8,819,043.91
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Solution
The fourth proportional to 13,467,958.99, 18,588,810.83 and 8,819,043.91 is: 12,172,263.00
Step by Step Solution
- Step 1: Write the proportion equation
13,467,958.99 : 18,588,810.83 = 8,819,043.91 : x - Step 2: Convert to fraction form
13,467,958.99/18,588,810.83 = 8,819,043.91/x - Step 3: Cross multiply
13,467,958.99x = 18,588,810.83 × 8,819,043.91 - Step 4: Simplify right side
13,467,958.99x = 163,935,538,853,886.31 - Step 5: Solve for x
x = 163,935,538,853,886.31/13,467,958.99 - Step 6: Final answer
x = 12,172,263.00
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.