Finding the Fourth Proportional to 21,425,727.35, 29,567,677.36 and 11,636,241.56
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Solution
The fourth proportional to 21,425,727.35, 29,567,677.36 and 11,636,241.56 is: 16,058,107.64
Step by Step Solution
- Step 1: Write the proportion equation
21,425,727.35 : 29,567,677.36 = 11,636,241.56 : x - Step 2: Convert to fraction form
21,425,727.35/29,567,677.36 = 11,636,241.56/x - Step 3: Cross multiply
21,425,727.35x = 29,567,677.36 × 11,636,241.56 - Step 4: Simplify right side
21,425,727.35x = 344,056,636,113,825.56 - Step 5: Solve for x
x = 344,056,636,113,825.56/21,425,727.35 - Step 6: Final answer
x = 16,058,107.64
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1.5x scale
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.