Finding the Fourth Proportional to 15,837,749.26, 21,856,093.98 and 8,594,405.26
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Solution
The fourth proportional to 15,837,749.26, 21,856,093.98 and 8,594,405.26 is: 11,860,279.26
Step by Step Solution
- Step 1: Write the proportion equation
15,837,749.26 : 21,856,093.98 = 8,594,405.26 : x - Step 2: Convert to fraction form
15,837,749.26/21,856,093.98 = 8,594,405.26/x - Step 3: Cross multiply
15,837,749.26x = 21,856,093.98 × 8,594,405.26 - Step 4: Simplify right side
15,837,749.26x = 187,840,129,010,126.12 - Step 5: Solve for x
x = 187,840,129,010,126.12/15,837,749.26 - Step 6: Final answer
x = 11,860,279.26
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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.