Finding the Fourth Proportional to 13,471,610.62, 18,590,830.12 and 7,276,657.31
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Solution
The fourth proportional to 13,471,610.62, 18,590,830.12 and 7,276,657.31 is: 10,041,791.12
Step by Step Solution
- Step 1: Write the proportion equation
13,471,610.62 : 18,590,830.12 = 7,276,657.31 : x - Step 2: Convert to fraction form
13,471,610.62/18,590,830.12 = 7,276,657.31/x - Step 3: Cross multiply
13,471,610.62x = 18,590,830.12 × 7,276,657.31 - Step 4: Simplify right side
13,471,610.62x = 135,279,099,798,712.03 - Step 5: Solve for x
x = 135,279,099,798,712.03/13,471,610.62 - Step 6: Final answer
x = 10,041,791.12
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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.