Finding the Fourth Proportional to 21,425,584.68, 29,567,480.56 and 11,636,098.93
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Solution
The fourth proportional to 21,425,584.68, 29,567,480.56 and 11,636,098.93 is: 16,057,910.86
Step by Step Solution
- Step 1: Write the proportion equation
21,425,584.68 : 29,567,480.56 = 11,636,098.93 : x - Step 2: Convert to fraction form
21,425,584.68/29,567,480.56 = 11,636,098.93/x - Step 3: Cross multiply
21,425,584.68x = 29,567,480.56 × 11,636,098.93 - Step 4: Simplify right side
21,425,584.68x = 344,050,128,907,011.75 - Step 5: Solve for x
x = 344,050,128,907,011.75/21,425,584.68 - Step 6: Final answer
x = 16,057,910.86
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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.