Finding the Fourth Proportional to 18,441,675.78, 27,681,992.55 and 10,361,556.42
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Solution
The fourth proportional to 18,441,675.78, 27,681,992.55 and 10,361,556.42 is: 15,553,278.95
Step by Step Solution
- Step 1: Write the proportion equation
18,441,675.78 : 27,681,992.55 = 10,361,556.42 : x - Step 2: Convert to fraction form
18,441,675.78/27,681,992.55 = 10,361,556.42/x - Step 3: Cross multiply
18,441,675.78x = 27,681,992.55 × 10,361,556.42 - Step 4: Simplify right side
18,441,675.78x = 286,828,527,624,844.69 - Step 5: Solve for x
x = 286,828,527,624,844.69/18,441,675.78 - Step 6: Final answer
x = 15,553,278.95
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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.