Finding the Fourth Proportional to 7,419,777.12, 11,130,722.46 and 2,302,649.10
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Solution
The fourth proportional to 7,419,777.12, 11,130,722.46 and 2,302,649.10 is: 3,454,301.61
Step by Step Solution
- Step 1: Write the proportion equation
7,419,777.12 : 11,130,722.46 = 2,302,649.10 : x - Step 2: Convert to fraction form
7,419,777.12/11,130,722.46 = 2,302,649.10/x - Step 3: Cross multiply
7,419,777.12x = 11,130,722.46 × 2,302,649.10 - Step 4: Simplify right side
7,419,777.12x = 25,630,148,054,868.79 - Step 5: Solve for x
x = 25,630,148,054,868.79/7,419,777.12 - Step 6: Final answer
x = 3,454,301.61
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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.