Finding the Fourth Proportional to 11,678,882.98, 15,999,803.60 and 11,242,228.38
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Solution
The fourth proportional to 11,678,882.98, 15,999,803.60 and 11,242,228.38 is: 15,401,596.75
Step by Step Solution
- Step 1: Write the proportion equation
11,678,882.98 : 15,999,803.60 = 11,242,228.38 : x - Step 2: Convert to fraction form
11,678,882.98/15,999,803.60 = 11,242,228.38/x - Step 3: Cross multiply
11,678,882.98x = 15,999,803.60 × 11,242,228.38 - Step 4: Simplify right side
11,678,882.98x = 179,873,446,106,346.19 - Step 5: Solve for x
x = 179,873,446,106,346.19/11,678,882.98 - Step 6: Final answer
x = 15,401,596.75
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.