Finding the Fourth Proportional to 14,888,782.26, 20,544,103.44 and 9,306,368.10
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Solution
The fourth proportional to 14,888,782.26, 20,544,103.44 and 9,306,368.10 is: 12,841,277.79
Step by Step Solution
- Step 1: Write the proportion equation
14,888,782.26 : 20,544,103.44 = 9,306,368.10 : x - Step 2: Convert to fraction form
14,888,782.26/20,544,103.44 = 9,306,368.10/x - Step 3: Cross multiply
14,888,782.26x = 20,544,103.44 × 9,306,368.10 - Step 4: Simplify right side
14,888,782.26x = 191,190,988,897,116.28 - Step 5: Solve for x
x = 191,190,988,897,116.28/14,888,782.26 - Step 6: Final answer
x = 12,841,277.79
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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.