Finding the Fourth Proportional to 17,728,779.43, 26,593,984.14 and 5,431,862.09
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Solution
The fourth proportional to 17,728,779.43, 26,593,984.14 and 5,431,862.09 is: 8,148,042.83
Step by Step Solution
- Step 1: Write the proportion equation
17,728,779.43 : 26,593,984.14 = 5,431,862.09 : x - Step 2: Convert to fraction form
17,728,779.43/26,593,984.14 = 5,431,862.09/x - Step 3: Cross multiply
17,728,779.43x = 26,593,984.14 × 5,431,862.09 - Step 4: Simplify right side
17,728,779.43x = 144,454,854,139,157.34 - Step 5: Solve for x
x = 144,454,854,139,157.34/17,728,779.43 - Step 6: Final answer
x = 8,148,042.83
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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.