Finding the Fourth Proportional to 13,279,426.26, 19,919,845.64 and 4,182,235.26
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Solution
The fourth proportional to 13,279,426.26, 19,919,845.64 and 4,182,235.26 is: 6,273,575.32
Step by Step Solution
- Step 1: Write the proportion equation
13,279,426.26 : 19,919,845.64 = 4,182,235.26 : x - Step 2: Convert to fraction form
13,279,426.26/19,919,845.64 = 4,182,235.26/x - Step 3: Cross multiply
13,279,426.26x = 19,919,845.64 × 4,182,235.26 - Step 4: Simplify right side
13,279,426.26x = 83,309,480,809,365.27 - Step 5: Solve for x
x = 83,309,480,809,365.27/13,279,426.26 - Step 6: Final answer
x = 6,273,575.32
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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.