Finding the Fourth Proportional to 18,545,259.24, 27,779,596.38 and 13,758,353.64
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Solution
The fourth proportional to 18,545,259.24, 27,779,596.38 and 13,758,353.64 is: 20,609,122.04
Step by Step Solution
- Step 1: Write the proportion equation
18,545,259.24 : 27,779,596.38 = 13,758,353.64 : x - Step 2: Convert to fraction form
18,545,259.24/27,779,596.38 = 13,758,353.64/x - Step 3: Cross multiply
18,545,259.24x = 27,779,596.38 × 13,758,353.64 - Step 4: Simplify right side
18,545,259.24x = 382,201,510,972,503.81 - Step 5: Solve for x
x = 382,201,510,972,503.81/18,545,259.24 - Step 6: Final answer
x = 20,609,122.04
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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.