Finding the Fourth Proportional to 16,394,917.79, 22,626,905.51 and 13,636,739.00
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Solution
The fourth proportional to 16,394,917.79, 22,626,905.51 and 13,636,739.00 is: 18,820,295.95
Step by Step Solution
- Step 1: Write the proportion equation
16,394,917.79 : 22,626,905.51 = 13,636,739.00 : x - Step 2: Convert to fraction form
16,394,917.79/22,626,905.51 = 13,636,739.00/x - Step 3: Cross multiply
16,394,917.79x = 22,626,905.51 × 13,636,739.00 - Step 4: Simplify right side
16,394,917.79x = 308,557,204,908,191 - Step 5: Solve for x
x = 308,557,204,908,191/16,394,917.79 - Step 6: Final answer
x = 18,820,295.95
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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.