Finding the Fourth Proportional to 7,784,185.20, 10,742,194.44 and 4,346,549.28
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Solution
The fourth proportional to 7,784,185.20, 10,742,194.44 and 4,346,549.28 is: 5,998,248.54
Step by Step Solution
- Step 1: Write the proportion equation
7,784,185.20 : 10,742,194.44 = 4,346,549.28 : x - Step 2: Convert to fraction form
7,784,185.20/10,742,194.44 = 4,346,549.28/x - Step 3: Cross multiply
7,784,185.20x = 10,742,194.44 × 4,346,549.28 - Step 4: Simplify right side
7,784,185.20x = 46,691,477,508,802 - Step 5: Solve for x
x = 46,691,477,508,802/7,784,185.20 - Step 6: Final answer
x = 5,998,248.54
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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.