Finding the Fourth Proportional to 12,873,108.80, 19,259,896.80 and 8,394,132.80
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Solution
The fourth proportional to 12,873,108.80, 19,259,896.80 and 8,394,132.80 is: 12,558,748.16
Step by Step Solution
- Step 1: Write the proportion equation
12,873,108.80 : 19,259,896.80 = 8,394,132.80 : x - Step 2: Convert to fraction form
12,873,108.80/19,259,896.80 = 8,394,132.80/x - Step 3: Cross multiply
12,873,108.80x = 19,259,896.80 × 8,394,132.80 - Step 4: Simplify right side
12,873,108.80x = 161,670,131,453,495.06 - Step 5: Solve for x
x = 161,670,131,453,495.06/12,873,108.80 - Step 6: Final answer
x = 12,558,748.16
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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.