Finding the Fourth Proportional to 7,477,409.20, 11,218,122.16 and 2,360,036.96
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Solution
The fourth proportional to 7,477,409.20, 11,218,122.16 and 2,360,036.96 is: 3,540,689.32
Step by Step Solution
- Step 1: Write the proportion equation
7,477,409.20 : 11,218,122.16 = 2,360,036.96 : x - Step 2: Convert to fraction form
7,477,409.20/11,218,122.16 = 2,360,036.96/x - Step 3: Cross multiply
7,477,409.20x = 11,218,122.16 × 2,360,036.96 - Step 4: Simplify right side
7,477,409.20x = 26,475,182,919,395.04 - Step 5: Solve for x
x = 26,475,182,919,395.04/7,477,409.20 - Step 6: Final answer
x = 3,540,689.32
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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.