Finding the Fourth Proportional to 13,187,153.13, 19,764,786.06 and 6,793,917.90
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Solution
The fourth proportional to 13,187,153.13, 19,764,786.06 and 6,793,917.90 is: 10,182,662.81
Step by Step Solution
- Step 1: Write the proportion equation
13,187,153.13 : 19,764,786.06 = 6,793,917.90 : x - Step 2: Convert to fraction form
13,187,153.13/19,764,786.06 = 6,793,917.90/x - Step 3: Cross multiply
13,187,153.13x = 19,764,786.06 × 6,793,917.90 - Step 4: Simplify right side
13,187,153.13x = 134,280,333,802,704.47 - Step 5: Solve for x
x = 134,280,333,802,704.47/13,187,153.13 - Step 6: Final answer
x = 10,182,662.81
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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.