Finding the Fourth Proportional to 13,909,230.97, 19,194,452.79 and 7,713,277.83
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Solution
The fourth proportional to 13,909,230.97, 19,194,452.79 and 7,713,277.83 is: 10,644,164.83
Step by Step Solution
- Step 1: Write the proportion equation
13,909,230.97 : 19,194,452.79 = 7,713,277.83 : x - Step 2: Convert to fraction form
13,909,230.97/19,194,452.79 = 7,713,277.83/x - Step 3: Cross multiply
13,909,230.97x = 19,194,452.79 × 7,713,277.83 - Step 4: Simplify right side
13,909,230.97x = 148,052,147,164,088.62 - Step 5: Solve for x
x = 148,052,147,164,088.62/13,909,230.97 - Step 6: Final answer
x = 10,644,164.83
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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.