Finding the Fourth Proportional to 13,860,409.74, 20,794,157.49 and 5,338,458.06
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Solution
The fourth proportional to 13,860,409.74, 20,794,157.49 and 5,338,458.06 is: 8,009,051.66
Step by Step Solution
- Step 1: Write the proportion equation
13,860,409.74 : 20,794,157.49 = 5,338,458.06 : x - Step 2: Convert to fraction form
13,860,409.74/20,794,157.49 = 5,338,458.06/x - Step 3: Cross multiply
13,860,409.74x = 20,794,157.49 × 5,338,458.06 - Step 4: Simplify right side
13,860,409.74x = 111,008,737,653,399.86 - Step 5: Solve for x
x = 111,008,737,653,399.86/13,860,409.74 - Step 6: Final answer
x = 8,009,051.66
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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.