Finding the Fourth Proportional to 7,459,794.99, 11,189,654.97 and 6,445,831.72
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Solution
The fourth proportional to 7,459,794.99, 11,189,654.97 and 6,445,831.72 is: 9,668,715.16
Step by Step Solution
- Step 1: Write the proportion equation
7,459,794.99 : 11,189,654.97 = 6,445,831.72 : x - Step 2: Convert to fraction form
7,459,794.99/11,189,654.97 = 6,445,831.72/x - Step 3: Cross multiply
7,459,794.99x = 11,189,654.97 × 6,445,831.72 - Step 4: Simplify right side
7,459,794.99x = 72,126,632,941,481.66 - Step 5: Solve for x
x = 72,126,632,941,481.66/7,459,794.99 - Step 6: Final answer
x = 9,668,715.16
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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.