Finding the Fourth Proportional to 14,202,381.20, 21,291,130.20 and 8,524,864.40
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Solution
The fourth proportional to 14,202,381.20, 21,291,130.20 and 8,524,864.40 is: 12,779,828.63
Step by Step Solution
- Step 1: Write the proportion equation
14,202,381.20 : 21,291,130.20 = 8,524,864.40 : x - Step 2: Convert to fraction form
14,202,381.20/21,291,130.20 = 8,524,864.40/x - Step 3: Cross multiply
14,202,381.20x = 21,291,130.20 × 8,524,864.40 - Step 4: Simplify right side
14,202,381.20x = 181,503,997,877,744.88 - Step 5: Solve for x
x = 181,503,997,877,744.88/14,202,381.20 - Step 6: Final answer
x = 12,779,828.63
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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.