Finding the Fourth Proportional to 21,534,576.48, 29,712,604.16 and 12,241,412.08
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Solution
The fourth proportional to 21,534,576.48, 29,712,604.16 and 12,241,412.08 is: 16,890,243.09
Step by Step Solution
- Step 1: Write the proportion equation
21,534,576.48 : 29,712,604.16 = 12,241,412.08 : x - Step 2: Convert to fraction form
21,534,576.48/29,712,604.16 = 12,241,412.08/x - Step 3: Cross multiply
21,534,576.48x = 29,712,604.16 × 12,241,412.08 - Step 4: Simplify right side
21,534,576.48x = 363,724,231,492,482.25 - Step 5: Solve for x
x = 363,724,231,492,482.25/21,534,576.48 - Step 6: Final answer
x = 16,890,243.09
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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.